Nothing to readjust, lap after lap
A one-piece cuts drag and stays in place off the wall through dives, turns, and sprints. Not having to think about straps or a bra top becomes especially noticeable over a long set.
Two-piece has its place
A sporty two-piece with solid support and full coverage trades some of that security for freedom of movement and convenience. For a shorter session or an easy freestyle swim, that trade-off works fine.
Pick based on what the session needs
For training with frequent turns, sprints, or dives, a one-piece is the default. If mobility and convenience matter more, a well-supported two-piece works for training too.
What to look out for
A two-piece with a back panel too thin to hold support · a one-piece with a loose neckline that lets water in · anything without a stated chlorine-resistant fabric.
Compare
| Suit | At a glance | Sizes | Price | |
|---|---|---|---|---|
 Ras Ras Girls Candy Sport Back Swimsuit - Multi | one-piece | 4 years,6 years,8 years | $23 $19 £14.02 20% off | Allens Swimwear→ |
JA Jaked Jaked Women’s One-Piece J01 | Low durabilityone-piece | 28,30,32,34,36 | $19 | Amazon→ |
MP MP Michael Phelps MP Michael Phelps Ladies Comp Back Wide Strap Solid One Piece Swimsuit | Chlorine-resistantone piece | 22,24,26 | $20 | Amazon→ |
MP MP Michael Phelps MP Michael Phelps Ladies Mid Back Solid One Piece Swimsuit | Chlorine-resistantone piece | 24 | $20 | Amazon→ |
AD Adidas adidas Women’s Solid V-Back One Piece Swimsuit | Chlorine-resistantv-backone piece | 26,28,30,32,34,36,38,40 | $21 | Amazon→ |
SP Sporti Sporti Wide Strap Cross Back One Piece Swimsuit | Low durabilityone piececross back | 26,28,30,32,34,36,38,40 | $24 | Amazon→ |
DO Dolfin Dolfin Women’s V-2 Back One Piece Swimsuit | Poly-blendv-backone piece | 22,24,26,28,30,32,34,36,38,40 | $25 | Amazon→ |
SP Sporti Sporti Poly Pro Racerback One Piece | Chlorine-resistantracerbackone piece | 28,30,32,34,36,38 | $29 | Amazon→ |
 Funkita (AU) Funkita Girls Art Dropout Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piececross back | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Arti Mess Strapped In One Piece Swimsuit - Black/White | Chlorine-resistantone piece | 10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Berry Crush Single Strap One Piece Swimsuit - Purple/Pink | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Bitsy Boss Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piececross back | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Curtain Call Single Strap One Piece Swimsuit - Multi | one piece | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Dragons Den Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Happy Hide Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piececross back | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls High Lights Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Hillary Puff Twisted One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Loud Proud Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Maybe Wavy Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Pinky Piney Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piececross back | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Punchy Bunch Strapped In One Piece Swimsuit - Multi | one piececross back | 10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Royal Wave Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Up Down Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
ZO Zoggs Zoggs Women’s Coogee Sonicback Ecolast Swimwear | Chlorine-resistantopen backone piece | UK 8,10,12,14,16,18,20,22,24 | $31 | Amazon→ |
ZO Zoggs Zoggs Women’s Sprintback Ecolast+ One Piece Swimsuit | Chlorine-resistantopen backone piece | UK 6,8,10,12,14,16,18 | $34 | Amazon→ |
 Funkita (AU) Funkita Girls Blok Tok Tie Me Tight One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Broken Blox Diamond Back One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Candy Cracks Tie Me Tight One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Dreamy Weedy Tie Me Tight One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Love Lacy Diamond Back One Piece Swimsuit - Multi | one piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Muscle Mad Diamond Back One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Nights Rose Tie Me Tight One Piece Swimsuit - Black/White | one piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Pine Gap Diamond Back One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Pine Gap Tie Me Tight One Piece Swimsuit - Multi | one piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Pink Peaks Diamond Back One Piece Swimsuit - Pink/Blue | Chlorine-resistantone piece | 10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Pretti Penny Tie Me Tight One Piece Swimsuit - Multi | one piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Putty Rules Diamond Back One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Weedy One Diamond Back One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $43 $34 £25.56 20% off | Allens Swimwear→ |
ZO Zoggs Zoggs Women’s Warrego Powerback One Piece Swimsuit | Chlorine-resistantone piece | UK 8,10,12,14,16,18,20 | $35 | Amazon→ |
SP Speedo Speedo Women’s Solid Endurance+ Crossback One Piece Swimsuit | Chlorine-resistantone piece | 20,22,24,26,28,30,32,34,36,38,40 | $35 | Amazon→ |
 Funkita (AU) Funkita Ladies Swan See Swan Strapped In One Piece Swimsuit - Multi | Chlorine-resistantone piece | Ladies 8,Ladies 10,Ladies 12,Ladies 14 | $56 $36 £27.27 35% off | Allens Swimwear→ |
AR Arena Arena Women’s Solid Team MaxLife Swim Pro Open Back One Piece Swimsuit | Chlorine-resistantopen backone piece | 18,20,22,24,26,28,30,32,34,36,38,40,42 | $37 | Amazon→ |
 Nike Nike Hydrastrong Solid Cutout One Piece - Aurora Green | Chlorine-resistantone piece | 28,30,32,34,36 | $47 $37 £28.09 20% off | Allens Swimwear→ |
 Nike Nike Hydrastrong Solid Fastback One Piece - Pink Glow | Chlorine-resistantone piece | 28,30,32,34,36,38 | $47 $37 £28.09 20% off | Allens Swimwear→ |
DO Dolfin Dolfin Xtra Life Lycra Solid HP Back One Piece Swimsuit | Low durabilityone piece | 26,28,30,32,34,36,38 | $38 | Amazon→ |
DO Dolfin Dolfin Uglies Racerback One Piece Chloroban | Chlorine-resistantracerbackone piece | 26,28,30,32,34,36,38 | $38 | Amazon→ |
 Funkita (AU) Funkita Girls Add Me Babe Single Strap One Piece Swimsuit - Purple/Pink | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Bed Of Roses Strapped In One Piece Swimsuit - Multi | Chlorine-resistantone piececross back | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Berry Good Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Bilko Baby Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Doodles Strapped In One Piece Swimsuit - Multi | one piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Falling Colours Twisted One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Firefly Sparkle Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Lolly Layers Twisted One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Lost Mountain Strapped In One Piece Swimsuit - Multi | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Misty Mournes Strapped In One Piece Swimsuit - Multi | Chlorine-resistantone piececross back | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Pink Proton Strapped In One Piece Swimsuit - Pink/Yellow | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Scratchy Single Strap One Piece Swimsuit - Blue/Black/White | Chlorine-resistantone piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Skyline Drive Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piececross back | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
 Funkita (AU) Funkita Girls Special Pops Strapped In One Piece Swimsuit - Pink/Multi | one piece | 8 years,10 years,12 years,14 years | $39 £28.95 | Allens Swimwear→ |
Showing the 60 lowest-priced of 379. Filter the full list in the finder →
Prices and exchange rate as of Oct 27, 2026 (£1 = $1.3347). Allens prices are charged in pounds; the dollar figure is a conversion. Check the retailer for the current price.
On sale now
| Suit | At a glance | Sizes | Price | |
|---|---|---|---|---|
Funkita (AU) Funkita Ladies Swan See Swan Strapped In One Piece Swimsuit - Multi | Chlorine-resistantone piece | Ladies 8,Ladies 10,Ladies 12,Ladies 14 | $56 $36 £27.27 35% off | Allens Swimwear→ |
 Arena Arena Womens One Lacquer One Piece Swimsuit - Multi Black/White | Chlorine-resistantopen backone piece | 28,30,32,34,36 | $74 $52 £38.81 30% off | Allens Swimwear→ |
 Arena Arena Womens One Lacquer One Piece Swimsuit - Multi White/Navy | Chlorine-resistantopen backone piece | 28,30,32,34,36 | $74 $52 £38.81 30% off | Allens Swimwear→ |
Ras Ras Girls Candy Sport Back Swimsuit - Multi | one-piece | 4 years,6 years,8 years | $23 $19 £14.02 20% off | Allens Swimwear→ |
Funkita (AU) Funkita Girls Art Dropout Single Strap One Piece Swimsuit - Multi | Chlorine-resistantone piececross back | 8 years,10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
Funkita (AU) Funkita Girls Arti Mess Strapped In One Piece Swimsuit - Black/White | Chlorine-resistantone piece | 10 years,12 years,14 years | $39 $31 £23.16 20% off | Allens Swimwear→ |
95 suits on this page are 20% off or more. See every deal →
Find your size
Related categories
FAQ
Can I still practice turns in a two-piece?
You can, but even a supportive sport cut won’t hold as close as a one-piece.
Is a one-piece better for open water too?
Yes — the coverage and predictable fit make it more stable in open water as well.
What’s different about a high-neck one-piece?
The higher neckline keeps out more water, and the design is usually built around support rather than styling.