{"product_id":"375cc-vs-400cc-breast-implant-sizers","title":"375cc vs 400cc Breast Implant Sizers","description":"\u003cdiv class=\"oumenta-product-description\" style=\"font-size:19px;line-height:1.75;color:#333333;\"\u003e\n\u003cstyle\u003e\n.oumenta-product-description p,.oumenta-product-description li{font-size:19px !important;line-height:1.75 !important;}\n.oumenta-product-description .oumenta-section \u003e summary{cursor:pointer;list-style:none;font-size:22px;line-height:1.4;font-weight:700;color:#783c4b;}\n.oumenta-product-description .oumenta-section \u003e summary::-webkit-details-marker{display:none;}\n.oumenta-product-description .oumenta-section \u003e summary::before{content:\"▶\";display:inline-block;font-size:16px;margin-right:10px;}\n.oumenta-product-description .oumenta-section[open] \u003e summary::before{transform:rotate(90deg);}\n.oumenta-product-description a{color:#783c4b;}\n.oumenta-product-description .oumenta-section \u003e summary.oumenta-featured-summary{background:#7B3F32;color:#ffffff;padding:16px;border-radius:6px;font-size:18px;}\n.oumenta-product-description .oumenta-section \u003e summary.oumenta-featured-summary::before{color:#ffffff;}\n\u003c\/style\u003e\n\u003c!-- ACCORDION 1: BEFORE AND AFTER --\u003e\n\u003cdetails class=\"oumenta-section\" style=\"border:1px solid #d8d0cc;border-radius:8px;padding:20px;margin:25px 0;\"\u003e\n\u003csummary class=\"oumenta-featured-summary\"\u003eSee 400cc Breast Augmentation Sizers: Before \u0026amp; After\u003c\/summary\u003e\n\u003cdiv style=\"padding-top:20px;\"\u003e\n\u003cp\u003eDrag the slider to compare the same model without sizers and wearing 400cc Oumènta breast augmentation sizers.\u003c\/p\u003e\n\u003cdiv style=\"position:relative;width:100%;max-width:520px;margin:18px auto;overflow:hidden;line-height:0;--ba-pos:50%;\"\u003e\n\u003cimg src=\"https:\/\/breastimplantsizers.com\/cdn\/shop\/files\/400cc-breast-implant-sizers-no-text.webp\" alt=\"Model wearing 400cc Oumènta breast augmentation sizers in a pocket bra\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;\"\u003e\n\u003cimg src=\"https:\/\/breastimplantsizers.com\/cdn\/shop\/files\/no-sizers-in-bra.webp\" alt=\"Same model wearing the pocket bra without breast augmentation sizers\" loading=\"lazy\" style=\"position:absolute;inset:0;width:100%;height:100%;object-fit:cover;clip-path:inset(0 calc(100% - var(--ba-pos)) 0 0);\"\u003e\n\u003cdiv style=\"position:absolute;top:0;bottom:0;left:var(--ba-pos);width:3px;background:#ffffff;transform:translateX(-50%);pointer-events:none;\"\u003e\u003c\/div\u003e\n\u003cinput type=\"range\" data-oumenta-slider min=\"0\" max=\"100\" value=\"50\" aria-label=\"Compare without sizers and wearing 400cc breast augmentation sizers\" oninput=\"this.parentElement.style.setProperty('--ba-pos',this.value+'%')\" style=\"position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;\"\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:14px !important;color:#666666;\"\u003eExternal sizing demonstration only. Not a prediction of surgical results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- INTRODUCTION --\u003e\n\u003ch2 style=\"font-size:26px;line-height:1.35;color:#783c4b;\"\u003e375cc vs. 400cc Breast Augmentation Sizers: Real Preference or Just Getting Used to It?\u003c\/h2\u003e\n\u003cp\u003eHere's something many women notice when they try sizers: after a few days in a larger size, it starts to feel normal. Then the smaller size feels like \"not enough,\" and the next size up starts to look appealing. Comparing \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/375cc-breast-implant-sizers\" title=\"375cc Breast Implant Sizers\"\u003e375cc\u003c\/a\u003e and \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/400cc-breast-implant-sizers\" title=\"400cc Breast Implant Sizers\"\u003e400cc\u003c\/a\u003e carefully helps you tell a true preference apart from simply getting used to a size.\u003c\/p\u003e\n\u003cp\u003eThis Oumènta 2-Pack lets you wear both sizes under your own clothes, at your own pace, before you meet with your plastic surgeon, so you have time to test your preference rather than react to it.\u003c\/p\u003e\n\u003cp\u003eChoose your \u003cstrong\u003eOumènta Pocket Bra size\u003c\/strong\u003e (XS, S, M, L, or XL) above, based on your current band size.\u003c\/p\u003e\n\u003c!-- KIT CONTENTS --\u003e\n\u003cdiv style=\"background:#f8f5f3;border-left:4px solid #783c4b;padding:20px;margin:25px 0;\"\u003e\n\u003ch3 style=\"font-size:22px;line-height:1.4;color:#783c4b;margin:0 0 12px;\"\u003eWhat's Included in Your Oumènta 2-Pack?\u003c\/h3\u003e\n\u003cul style=\"padding-left:28px;margin:0;\"\u003e\n\u003cli\u003e1 Oumènta Pocket Bra in the size you select\u003c\/li\u003e\n\u003cli\u003e1 pair of 375cc breast augmentation sizers\u003c\/li\u003e\n\u003cli\u003e1 pair of 400cc breast augmentation sizers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003ePlan a \"reset day\" in the middle of your comparison: a day with no sizers at all. It helps you see both sizes with fresh eyes.\u003c\/p\u003e\n\u003cp style=\"font-size:14px !important;color:#666666;\"\u003eExternal sizing demonstration only. Not a prediction of surgical results.\u003c\/p\u003e\n\u003c!-- ACCORDION 2: POCKET BRA SIZE --\u003e\n\u003cdetails class=\"oumenta-section\" style=\"border:1px solid #d8d0cc;border-radius:8px;padding:20px;margin:25px 0;\"\u003e\n\u003csummary\u003eWhich Pocket Bra Size Should I Choose?\u003c\/summary\u003e\n\u003cdiv style=\"padding-top:18px;\"\u003e\n\u003cp\u003eChoose your Pocket Bra by your current band size:\u003c\/p\u003e\n\u003cdiv style=\"background:#f8f5f3;border-left:4px solid #783c4b;padding:20px;margin:20px 0;\"\u003e\n\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003e32\" band or smaller:\u003c\/strong\u003e Extra Small (XS)\u003cbr\u003e\u003cstrong\u003e34\" band:\u003c\/strong\u003e Small (S)\u003cbr\u003e\u003cstrong\u003e36\" band:\u003c\/strong\u003e Medium (M)\u003cbr\u003e\u003cstrong\u003e38\" band:\u003c\/strong\u003e Large (L)\u003cbr\u003e\u003cstrong\u003e40\" band or larger:\u003c\/strong\u003e Extra Large (XL)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe Pocket Bra should feel snug and supportive, similar to a sports bra. There's no need to size up for this kit. The internal pockets are designed for the sizers and keep both sizes in the same position, which matters when only 25cc separates them.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- ACCORDION 3: ALTERNATIVE KITS --\u003e\n\u003cdetails class=\"oumenta-section\" style=\"border:1px solid #d8d0cc;border-radius:8px;padding:20px;margin:25px 0;\"\u003e\n\u003csummary\u003eNot Quite the Breast Sizes You Were Looking For?\u003c\/summary\u003e\n\u003cdiv style=\"padding-top:18px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eLeaning a Little Smaller?\u003c\/strong\u003e Compare our \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/350cc-vs-375cc-breast-implant-sizers\" title=\"350cc vs 375cc Breast Implant Sizers\"\u003e350cc vs. 375cc 2-Pack\u003c\/a\u003e or our \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/325cc-vs-375cc-breast-augmentation-sizers\" title=\"325cc vs 375cc Breast Augmentation Sizers\"\u003e325cc vs. 375cc 2-Pack\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLeaning a Little Larger?\u003c\/strong\u003e Compare our \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/400cc-vs-425cc-breast-implant-sizers\" title=\"400cc vs 425cc Breast Implant Sizers\"\u003e400cc vs. 425cc 2-Pack\u003c\/a\u003e or our \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/400cc-vs-450cc-breast-implant-sizers\" title=\"400cc vs 450cc Breast Implant Sizers\"\u003e400cc vs. 450cc 2-Pack\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWant a More Noticeable Difference?\u003c\/strong\u003e Our \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/350cc-vs-400cc-breast-implant-sizers\" title=\"350cc vs 400cc Breast Implant Sizers\"\u003e350cc vs. 400cc 2-Pack\u003c\/a\u003e and \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/375cc-vs-425cc-breast-augmentation-sizers\" title=\"375cc vs 425cc Breast Augmentation Sizers\"\u003e375cc vs. 425cc 2-Pack\u003c\/a\u003e each compare two sizes 50cc apart.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWant a Third Size?\u003c\/strong\u003e Explore our \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/350cc-vs-400cc-vs-450cc-breast-implant-sizers-m-bra\" title=\"350cc 400cc 450cc Breast Implant Sizer Kit\"\u003e350cc vs. 400cc vs. 450cc 3-Pack\u003c\/a\u003e or our \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/300cc-vs-350cc-vs-400cc-breast-implant-sizers-m-bra\" title=\"300cc 350cc 400cc Breast Implant Sizer Kit\"\u003e300cc vs. 350cc vs. 400cc 3-Pack\u003c\/a\u003e, or build a \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/custom-breast-implant-sizer-kit\" title=\"Custom Breast Implant Sizer Kit\"\u003ecustom kit\u003c\/a\u003e with 375cc, 400cc, and 425cc. You can also choose any two volumes with our \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/breast-augmentation-sizers-kit\" title=\"Breast Augmentation Sizer Kit: Choose Any 2 Sizes\"\u003eChoose-Any-2 Sizer Kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- ACCORDION 4: EDUCATIONAL CONTENT --\u003e\n\u003cdetails class=\"oumenta-section\" style=\"border:1px solid #d8d0cc;border-radius:8px;padding:22px;margin:30px 0;\"\u003e\n\u003csummary\u003eMore About 375cc vs. 400cc\u003c\/summary\u003e\n\u003cdiv style=\"padding-top:20px;\"\u003e\n\u003ch2 style=\"font-size:24px;line-height:1.4;color:#783c4b;\"\u003e375cc vs. 400cc Breast Implants: How Different Are They?\u003c\/h2\u003e\n\u003cp\u003e400cc has 25cc more volume per breast than 375cc. That's about 6.7% more sizer volume, or roughly 1.7 tablespoons per side.\u003c\/p\u003e\n\u003cp\u003eThat doesn't mean your breasts will look 6.7% larger. The percentage describes the volume of the sizer, not your overall breast size. How either volume looks on you depends on your existing breast tissue, chest width, and frame, and after surgery also on implant profile and placement.\u003c\/p\u003e\n\u003ch3 style=\"font-size:22px;color:#783c4b;\"\u003eWhy Your Eyes Adjust\u003c\/h3\u003e\n\u003cp\u003eWhen you wear a new size for a while, your sense of \"normal\" shifts. A size that looked full on day one can look ordinary by day three. That's one reason some women find themselves drawn to bigger and bigger sizes as they try sizers.\u003c\/p\u003e\n\u003cp\u003eThis isn't a problem. It's useful information. Sometimes it reveals that you really do prefer more fullness. Other times it's simply your eyes adjusting. The goal is to tell which is happening for you.\u003c\/p\u003e\n\u003ch3 style=\"font-size:22px;color:#783c4b;\"\u003eHow to Test Your Preference\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAlternate, don't escalate.\u003c\/strong\u003e Switch back and forth between 375cc and 400cc rather than wearing one size for days and then moving up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTake a reset day.\u003c\/strong\u003e Spend a full day without sizers. Then try each size again. Notice which one you're happy to see.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGo back to day one.\u003c\/strong\u003e Compare your first photos with each size against photos from later in the week. If you still prefer the same size, that preference is likely real.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCheck your reaction to the smaller size.\u003c\/strong\u003e After a reset day, does 375cc look right, or does it still feel like something is missing? Your answer after a break is more reliable than your answer after five days in the larger size.\u003c\/p\u003e\n\u003cp\u003eBring your photos and notes to your consultation. They help your surgeon understand both what you prefer and how consistent that preference is.\u003c\/p\u003e\n\u003ch3 style=\"font-size:22px;color:#783c4b;\"\u003eIf You Keep Wanting to Go Up\u003c\/h3\u003e\n\u003cp\u003eIf 400cc still feels right after a reset day, try comparing it with \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/425cc-breast-implant-sizers\" title=\"425cc Breast Implant Sizers\"\u003e425cc\u003c\/a\u003e. If a reset day makes 375cc look like plenty, that's equally valuable. And if both look a bit full after a break, consider comparing \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/350cc-breast-implant-sizers\" title=\"350cc Breast Implant Sizers\"\u003e350cc\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eFor more on this question, read \u003ca href=\"https:\/\/breastimplantsizers.com\/blogs\/breast-implant-sizing-guide\/275cc-vs-375cc-breast-implants-will-you-regret-going-too-big-or-too-small\" title=\"275cc vs 375cc Breast Implants: Will You Regret Going Too Big or Too Small?\"\u003e275cc vs. 375cc: Will You Regret Going Too Big or Too Small?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3 style=\"font-size:22px;color:#783c4b;\"\u003eWill 375cc or 400cc Give Me a D Cup?\u003c\/h3\u003e\n\u003cp\u003eThere's no reliable conversion between implant volume and cup size. The same volume can look different on two women, and cup sizes vary between bra brands. Oumènta sizers show you external volume under clothing; they can't predict your cup size after surgery.\u003c\/p\u003e\n\u003cp\u003eFor more on volume and cup size, read \u003ca href=\"https:\/\/breastimplantsizers.com\/blogs\/breast-implant-sizing-guide\/a-cup-to-c-cup-breast-implants\" title=\"A Cup to C Cup Breast Implants: How Many CCs?\"\u003eA Cup to C Cup Breast Implants: How Many CCs?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3 style=\"font-size:22px;color:#783c4b;\"\u003eWhy Try Sizes Before Surgery?\u003c\/h3\u003e\n\u003cp\u003eIn a published study of 567 women, a group who tried silicone implant samples in a bra before surgery generally reported that the preoperative sizing process was helpful. The study used implant samples, not Oumènta sizers, and doesn't show that Oumènta products affect surgical outcomes.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/20009790\/\" title=\"Published Research on Preoperative Breast Implant Sizing\"\u003eRead the published preoperative sizing study.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3 style=\"font-size:22px;color:#783c4b;\"\u003eExplore Individual Breast Augmentation Sizer Sizes\u003c\/h3\u003e\n\u003cp\u003eLearn more about our \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/375cc-breast-implant-sizers\" title=\"375cc Breast Implant Sizers\"\u003e375cc sizers\u003c\/a\u003e, \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/400cc-breast-implant-sizers\" title=\"400cc Breast Implant Sizers\"\u003e400cc sizers\u003c\/a\u003e, and \u003ca href=\"https:\/\/breastimplantsizers.com\/products\/425cc-breast-implant-sizers\" title=\"425cc Breast Implant Sizers\"\u003e425cc sizers\u003c\/a\u003e, or try our \u003ca href=\"https:\/\/breastimplantsizers.com\/pages\/breast-implant-size-calculator\" title=\"Breast Implant Size Calculator\"\u003eBreast Implant Size Calculator\u003c\/a\u003e for a suggested range of sizes to try.\u003c\/p\u003e\n\u003cp\u003eFor more about choosing a size, read \u003ca href=\"https:\/\/breastimplantsizers.com\/blogs\/breast-implant-sizing-guide\/350cc-vs-450cc-breast-implants\" title=\"350cc vs 450cc Breast Implants: Which Size Is Right?\"\u003e350cc vs. 450cc Breast Implants: Which Size Is Right?\u003c\/a\u003e, \u003ca href=\"https:\/\/breastimplantsizers.com\/blogs\/breast-implant-sizing-guide\/what-is-at-home-breast-implant-sizing-and-how-does-it-actually-work\" title=\"What Is At-Home Breast Implant Sizing?\"\u003eWhat Is At-Home Breast Implant Sizing?\u003c\/a\u003e, and \u003ca href=\"https:\/\/breastimplantsizers.com\/blogs\/breast-implant-sizing-guide\/how-to-choose-the-right-breast-implant-size-a-real-framework-not-a-cup-size-chart\" title=\"How to Choose the Right Breast Implant Size\"\u003eHow to Choose the Right Breast Implant Size\u003c\/a\u003e, or browse our full \u003ca href=\"https:\/\/breastimplantsizers.com\/blogs\/breast-implant-sizing-guide\" title=\"Breast Implant Sizing Guide\"\u003eBreast Implant Sizing Guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- ACCORDION 5: FAQ --\u003e\n\u003cdetails class=\"oumenta-section\" style=\"border:1px solid #d8d0cc;border-radius:8px;padding:22px;margin:30px 0;\"\u003e\n\u003csummary\u003e375cc vs. 400cc Frequently Asked Questions\u003c\/summary\u003e\n\u003cdiv style=\"padding-top:20px;\"\u003e\n\u003ch3 style=\"font-size:21px;color:#783c4b;\"\u003eHow much bigger is 400cc than 375cc?\u003c\/h3\u003e\n\u003cp\u003e400cc has 25cc more volume per breast, about 6.7% more than 375cc. The visible difference is usually subtle and most noticeable in fitted clothing and from the side.\u003c\/p\u003e\n\u003ch3 style=\"font-size:21px;color:#783c4b;\"\u003eWhy do larger sizes start to look normal after a few days?\u003c\/h3\u003e\n\u003cp\u003eYour eyes adjust to what you see every day. After wearing a size for a while, it can start to feel like your new normal. Alternating sizes and taking a day off from the breast augmentation sizers can help you judge each size more fairly.\u003c\/p\u003e\n\u003ch3 style=\"font-size:21px;color:#783c4b;\"\u003eShould I get 375cc or 400cc breast implants?\u003c\/h3\u003e\n\u003cp\u003eThat's a decision for you and your plastic surgeon. Wearing both sizes at home can help you understand which look you prefer. Your surgeon will assess your anatomy and recommend implant dimensions that suit you.\u003c\/p\u003e\n\u003ch3 style=\"font-size:21px;color:#783c4b;\"\u003eWhy buy a 2-Pack instead of a 3-Pack?\u003c\/h3\u003e\n\u003cp\u003eIf you've already narrowed your choice to 375cc or 400cc, a 2-Pack focuses on just those two sizes, at a lower price. If you're still exploring, a 3-Pack or custom kit adds a third size for a wider comparison.\u003c\/p\u003e\n\u003ch3 style=\"font-size:21px;color:#783c4b;\"\u003eWill these sizers show me how my implants will look?\u003c\/h3\u003e\n\u003cp\u003eNo. Oumènta sizers show external volume under clothing. They can't reproduce implant placement, tissue response, implant profile, or surgical results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- DISCLAIMER --\u003e\n\u003cp style=\"font-size:14px !important;font-style:italic;line-height:1.6 !important;color:#666666;margin-top:28px;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Oumènta sizers are wearable apparel for personal sizing exploration. They are not medical devices, do not predict surgical results, and are not a substitute for consultation with a qualified plastic surgeon.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"oumenta","offers":[{"title":"Default Title","offer_id":67362106998859,"sku":null,"price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/2718\/8299\/files\/400-cc-breast-implant-sizers.png?v=1792875815","url":"https:\/\/breastimplantsizers.com\/products\/375cc-vs-400cc-breast-implant-sizers","provider":"Oumenta","version":"1.0","type":"link"}