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FYMNSI Women’s Boyleg One-Piece Rash Guard Swimsuit, Built-In Bra, UPF 50+, Zip Front, Short Sleeve, Navy + White, M

£25.96 (as of 09/14/2026 01:38 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

FYMNSI Women’s Boyleg One-Piece Rash Guard Swimsuit is a zip-front swimming costume with a built-in bra, short sleeves and UPF 50+. This Navy + White size M design offers a more covered one-piece style with a boyleg cut for swimming and other water activities.

SKU: B0DZBZ8DVB Category:

Quick Summary

The FYMNSI Women’s Boyleg One-Piece Rash Guard Swimsuit is a short sleeve, zip-front swimming costume with a built-in bra and UPF 50+ protection. It is a navy and white design in size M, with a boyleg cut and full body coverage.

The combination of short sleeves, zip front and boyleg shape gives a more covered swimwear option for swimming, water aerobics and other water activities.

Who It Is Best For

This swimsuit is for women looking for a one-piece swimwear option with more coverage than a standard bikini or brief-cut costume. The short sleeves, built-in bra and boyleg shape make it relevant for buyers who want a modest swimwear style and a single-piece design.

Key Details

DetailVerified information and buyer relevance
BrandFYMNSI.
Product typeWomen’s one-piece rash guard swimsuit / swimming costume.
ColourNavy + White.
SizeM. Check the selected size before ordering.
Zip frontZip-front design for easy front fastening.
SleevesShort sleeve design for fuller upper-arm coverage.
Built-in braIncludes a built-in bra for added structure in the costume.
UPF ratingUPF 50+ is stated for the swimwear.
Bottom styleBoyleg cut for a fuller leg shape.

Why Buyers Choose It

  • The boyleg, short sleeve and full body design offer a more covered swimwear style.
  • The zip front gives a straightforward fastening point at the front of the costume.
  • The built-in bra adds an included support feature within the one-piece design.
  • UPF 50+ is stated, which is useful for buyers comparing sun-protection swimwear options.

What To Know Before You Buy

Check the selected size, colour and cut before ordering, as this listing is for Navy + White in size M. The style combines a one-piece swimsuit, rash guard top and boyleg bottom, so it is worth confirming that the amount of coverage matches your preference. If you are buying it for a specific activity, make sure the design suits the way you plan to wear it.

Common Buyer Questions

Does it have a zip front?
Yes. The swimsuit has a front zip.

Does it include a built-in bra?
Yes. A built-in bra is included in the design.

What size is this listing?
This listing is for size M.

What colour is it?
It is Navy + White.

Final Buying View

This FYMNSI one-piece swimsuit suits buyers who want a short sleeve, boyleg swim costume with a built-in bra and UPF 50+. Review the size and coverage style carefully before ordering so the selected version matches your needs.

Brand

FYMNSI

Manufacturer

FYMNSI

Binding

Apparel

Model

66819

Color

Navy + White

Size

M

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