Niche verticals May 9, 2027 5 min read
Size Guide for Women's Swimwear
Women's swimwear: bikinis (top + bottom independent), one-pieces (full body), tankini (mid-length top + bottom). Sizing differs by piece + cut.
The Chart
| Piece | Sizing | Notes |
|---|---|---|
| Bikini top fitted | Bra cup (32B, 34C) | Underwire styles |
| Bikini top stretchy | XS-3XL by bust | Triangle, bandeau |
| Bikini bottom | XS-3XL by hip | Brazilian-cut runs smaller |
| One-piece | XS-3XL by bust + waist + hip | Torso length matters |
| Tankini | Top + bottom independent | Like bikini but more coverage |
FAQs
Brazilian vs American cut bottom?
Brazilian: less coverage, smaller cut, runs notably smaller. American: more coverage, true to size. Brazilian-bottom shoppers often size up 1.
Final sale typical?
Yes for hygiene reasons. Some brands return if liner intact + tags attached. Always disclose pre-purchase + size carefully first time.
Need this on your store?
Tailor Size Guide ships pre-built size charts for Shopify.