Need help? We're available to chat. You can call us on 0118 402 2895 or email us.
SHOP WITH CONFIDENCE - 5* RATED ON TRUSTPILOT with over 3,000 5* Reviews!

Swimwear Brands

 

 

X
X
X
X
X
X
X
X

Swimwear Outlet

 

X

Gift Ideas

 

 

X

Get Help From Simply Swim

 

X
X

sports swimwear UK Size 20

Browse & Buy UK Size 20 sports swimwear At Simply Swim. Shop With Confidence – Excellent Customer Reviews. Free UK Delivery available on UK Size 20 sports swimwear.
  1. Home > 
  2. Womens Sports Swimwear  
  3. > UK Size 20  
  4. > 1 to 55 of 55 items total
Filter for your size and we'll only show you what's in-stock.
Speedo Womens Placement Muscleback Swimsuit - Black/Yellow - Model Front Speedo Womens Placement Muscleback Swimsuit - Black/Yellow - Model Front Save
16% On Sale
icon/visibility Created with Sketch.

Speedo

Placement Muscleback Swimsuit - Black/Yellow
£32.00 RRP £38.00
Rated 5.0 out of 5
Based on 1 review
Speedo - Endurance+ Printed Medalist Swimsuit - Black/White - Model Front Speedo - Endurance+ Printed Medalist Swimsuit - Black/White - Model Front
icon/visibility Created with Sketch.

Speedo

Endurance+ Printed Medalist Swimsuit - Black/White
£38.00
Rated 5.0 out of 5
Based on 1 review
Speedo - Solid Splice Medalist Swimsuit - Blue/Navy - Model Front Speedo - Solid Splice Medalist Swimsuit - Blue/Navy - Model Front
icon/visibility Created with Sketch.

Speedo

Solid Splice Medalist Swimsuit - Blue/Navy
£38.00
Speedo - Solid Splice Medalist Swimsuit - Black/Light Green - Model Front Speedo - Solid Splice Medalist Swimsuit - Black/Light Green - Model Front
icon/visibility Created with Sketch.

Speedo

Solid Splice Medalist Swimsuit - Black/Light Green
£38.00
SP-8A000244003-Hyperboom-Print-Medalist-Navy_Blue_front SP-8A000244003-Hyperboom-Print-Medalist-Navy_Blue_front
icon/visibility Created with Sketch.

Speedo

Hyperboom Print Medalist Swimsuit - Navy/Blue
£44.00
Speedo - Hyperboom Printed Medalist Swimsuit - Blue/Pink - Model Front Speedo - Hyperboom Printed Medalist Swimsuit - Blue/Pink - Model Front
icon/visibility Created with Sketch.

Speedo

Hyperboom Printed Medalist Swimsuit - Blue/Pink
£44.00
Speedo - Medley Logo Medalist Swimsuit - Navy/Blue - Model Front Speedo - Medley Logo Medalist Swimsuit - Navy/Blue - Model Front
icon/visibility Created with Sketch.

Speedo

Medley Logo Medalist Swimsuit - Navy/Blue
£34.00
Speedo - Quantum Rib Splice Swimsuit - Navy/Light Green - Model Front Speedo - Quantum Rib Splice Swimsuit - Navy/Light Green - Model Front Save
9%
icon/visibility Created with Sketch.

Speedo

Quantum Rib Splice Swimsuit - Navy/Light Green
£50.00 RRP £55.00
Speedo - Colourblock Splice 2.0 Swimsuit - Black/Turquoise - Model Front Speedo - Colourblock Splice 2.0 Swimsuit - Black/Turquoise - Model Front
icon/visibility Created with Sketch.

Speedo

Colourblock Splice 2.0 Swimsuit - Black/Turquoise
£36.00
SP-8A000244004-Hyperboom-Print-Medalist-Black_Navy_front SP-8A000244004-Hyperboom-Print-Medalist-Black_Navy_front
icon/visibility Created with Sketch.

Speedo

Hyperboom Print Medalist Swimsuit - Black/Grey
£44.00
SW-Simply-Swim-Speedo-8-00305516569-Digital-Placement-Blue_Green_front SW-Simply-Swim-Speedo-8-00305516569-Digital-Placement-Blue_Green_front Save
8%
icon/visibility Created with Sketch.

Speedo

Digital Placement Medalist Swimsuit - Blue/Green
£44.00 RRP £48.00
Rated 5.0 out of 5
Based on 1 review
Speedo - Placement Muscleback Swimsuit - Black/Pink/Orange - Product Front Speedo - Placement Muscleback Swimsuit - Black/Pink/Orange - Product Front
icon/visibility Created with Sketch.

Speedo

Placement Muscleback Swimsuit - Black/Pink/Orange
£39.00
Rated 5.0 out of 5
Based on 1 review
ZO-462588-Extender-mint-womens_front ZO-462588-Extender-mint-womens_front
icon/visibility Created with Sketch.

Zoggs

Extender Powerback Swimsuit - Black/Mint
£42.00
Rated 5.0 out of 5
Based on 1 review
ZO-Zoggs-462408-SIROC-Sonic-Back-Women_front ZO-Zoggs-462408-SIROC-Sonic-Back-Women_front
icon/visibility Created with Sketch.

Zoggs

Siroc Sonic Back Swimsuit - Navy/Blue
£36.00
SP-8003053002-Printed_Medalist_Swimsuit_-_Blue_White-womens_front SP-8003053002-Printed_Medalist_Swimsuit_-_Blue_White-womens_front
icon/visibility Created with Sketch.

Speedo

Printed Medalist Swimsuit - Blue/White
£38.00
Speedo - Club Training Placement Printed Powerback Swimsuit - Black/Green/Pink - Product Front Speedo - Club Training Placement Printed Powerback Swimsuit - Black/Green/Pink - Product Front Save
8%
icon/visibility Created with Sketch.

Speedo

Club Training Placement Printed Powerback Swimsuit - Black/Green/Pink
£46.00 RRP £50.00
SW-Simply-Swim-Speedo-SP-8-0869418666-hyperboom-placement-muscleback-green_black_front SW-Simply-Swim-Speedo-SP-8-0869418666-hyperboom-placement-muscleback-green_black_front
icon/visibility Created with Sketch.

Speedo

Hyperboom Placement Muscleback Swimsuit - Green/Black
£43.00
Speedo-Womens-HyperBoom-Allover-Medalist-Front-Model Speedo-Womens-HyperBoom-Allover-Medalist-Front-Model Save
13%
icon/visibility Created with Sketch.

Speedo

Hyperboom Allover Medalist Swimsuit - Pink/Green
£39.00 RRP £45.00
SP-8A000111002-Medley-Logo-Medalist-Black_Pink_front SP-8A000111002-Medley-Logo-Medalist-Black_Pink_front
icon/visibility Created with Sketch.

Speedo

Medley Logo Medalist Swimsuit - Black/Pink
£34.00
SP-8004248002-ColourblockSplice-Navy_Pink_Simply-Swim SP-8004248002-ColourblockSplice-Navy_Pink_Simply-Swim
icon/visibility Created with Sketch.

Speedo

Colourblock Splice Muscleback Swimsuit- Navy/Pink
£34.00
Speedo-SP-800306700334-Speedo-shaping-contour-eclipse-black-AF-Simply-Swim Speedo-SP-800306700334-Speedo-shaping-contour-eclipse-black-AF-Simply-Swim Save
11%
icon/visibility Created with Sketch.

Speedo

Shaping Contour Eclipse Swimsuit - Black
£47.00 RRP £53.00
ZO-Zoggs-462417-JAZZY-powerback-Women_front ZO-Zoggs-462417-JAZZY-powerback-Women_front
icon/visibility Created with Sketch.

Zoggs

Jazzy Powerback Swimsuit - Purple/Multi
£36.00
Speedo - Club Training Printed Powerback Swimsuit - Black/Multi - Model Front Speedo - Club Training Printed Powerback Swimsuit - Black/Multi - Model Front Save
18% On Sale
icon/visibility Created with Sketch.

Speedo

Club Training Printed Powerback Swimsuit - Black/Multi
£39.99 RRP £49.00
Speedo - Medley Logo Medalist Swimsuit - Black/Light Green - Model Front Speedo - Medley Logo Medalist Swimsuit - Black/Light Green - Model Front
icon/visibility Created with Sketch.

Speedo

Medley Logo Medalist Swimsuit - Black/Light Green
£34.00
Speedo -Placement Medalist Swimsuit - Black/Light Green - Model Front Speedo -Placement Medalist Swimsuit - Black/Light Green - Model Front
icon/visibility Created with Sketch.

Speedo

Placement Medalist Swimsuit - Black/Light Green
£38.00
Speedo - Placement Muscleback Swimsuit - Navy/Light Blue - Model Front Speedo - Placement Muscleback Swimsuit - Navy/Light Blue - Model Front
icon/visibility Created with Sketch.

Speedo

Placement Medalist/Muscleback Swimsuit - Navy/Light Blue
£38.00
Speedo - Hyperboom Splice Muscleback Legsuit - Black/Pink - Model Front Speedo - Hyperboom Splice Muscleback Legsuit - Black/Pink - Model Front Save
8%
icon/visibility Created with Sketch.

Speedo

Hyperboom Splice Muscleback Legsuit - Black/Pink
£44.00 RRP £48.00
Rated 4.0 out of 5
Based on 1 review
Speedo - Hyperboom Splice Muscleback Swimsuit - Navy/Blue - Model Front Speedo - Hyperboom Splice Muscleback Swimsuit - Navy/Blue - Model Front
icon/visibility Created with Sketch.

Speedo

Hyperboom Splice Muscleback Swimsuit - Navy/Blue
£38.00
Speedo - Club Training Printed Powerback Swimsuit - Black/Purple - Model Front Speedo - Club Training Printed Powerback Swimsuit - Black/Purple - Model Front Save
8%
icon/visibility Created with Sketch.

Speedo

Club Training Printed Powerback Swimsuit - Black/Purple
£46.00 RRP £50.00
Speedo - Placement Laneback Swimsuit - Black/Green - Model Front Speedo - Placement Laneback Swimsuit - Black/Green - Model Front
icon/visibility Created with Sketch.

Speedo

Placement Laneback Swimsuit - Black/Green
£46.00
SP-8A000168002-Colourblock-Racerback-Black_White_front SP-8A000168002-Colourblock-Racerback-Black_White_front Save
6%
icon/visibility Created with Sketch.

Speedo

Colourblock Racerback Swimsuit - Black/White
£59.00 RRP £63.00
Speedo - Club Training Printed Leaderback Swimsuit - Black/Multi - Model Front Speedo - Club Training Printed Leaderback Swimsuit - Black/Multi - Model Front Save
18% On Sale
icon/visibility Created with Sketch.

Speedo

Club Training Printed Leaderback Swimsuit - Black/Multi
£39.99 RRP £49.00
Rated 3.0 out of 5
Based on 1 review
ZO-Zoggs-462410-Mettle-Pink-Atomback--Women_front ZO-Zoggs-462410-Mettle-Pink-Atomback--Women_front
icon/visibility Created with Sketch.

Zoggs

Mettle Pink Atomback Swimsut - Black/Pink
£39.00
Speedo - Medley Logo Swimsuit - Purple/Pink - Model Front Speedo - Medley Logo Swimsuit - Purple/Pink - Model Front
icon/visibility Created with Sketch.

Speedo

Medley Logo Swimsuit - Purple/Pink
£32.00
Speedo - Medley Logo Medalist Swimsuit - Black/Pink - Model Front Speedo - Medley Logo Medalist Swimsuit - Black/Pink - Model Front Save
24% On Sale
icon/visibility Created with Sketch.

Speedo

Medley Logo Medalist Swimsuit - Black/Pink
£29.00 RRP £38.00
Rated 5.0 out of 5
Based on 1 review
Speedo - Placement Digital Powerback Swimsuit - Blue/Multi - Model Front Speedo - Placement Digital Powerback Swimsuit - Blue/Multi - Model Front Save
8%
icon/visibility Created with Sketch.

Speedo

Placement Digital Powerback Swimsuit - Blue/Multi
£45.00 RRP £49.00
Zoggs-Simply-Swim-ZO-462409-Zephyr-Speedback-front Zoggs-Simply-Swim-ZO-462409-Zephyr-Speedback-front
icon/visibility Created with Sketch.

Zoggs

Zephyr Speedback Swimsuit - Black/Multi
£39.00
SW-Simply-Swim-Speedo-8-00305518661-Digital-Placement-Blue_front SW-Simply-Swim-Speedo-8-00305518661-Digital-Placement-Blue_front Save
8%
icon/visibility Created with Sketch.

Speedo

Digital Placement Medalist Swimsuit - Blue
£44.00 RRP £48.00
Rated 5.0 out of 5
Based on 1 review
Zoggs-Simply-Swim-ZO-462407-powerback-spinal_front Zoggs-Simply-Swim-ZO-462407-powerback-spinal_front Save
11%
icon/visibility Created with Sketch.

Zoggs

Spinal Powerback Swimsuit - Blue
£39.99 RRP £45.00
Speedo-SP-8-00305418177-Speedo-placement-LanebackAF-Simply-Swim Speedo-SP-8-00305418177-Speedo-placement-LanebackAF-Simply-Swim Save
14% On Sale
icon/visibility Created with Sketch.

Speedo

Placement Laneback Swimsuit - Black/Blue
£39.50 RRP £46.00
Rated 5.0 out of 5
Based on 1 review
Speedo - Placement Muscleback Swimsuit - Blue - Model Front Speedo - Placement Muscleback Swimsuit - Blue - Model Front Save
8%
icon/visibility Created with Sketch.

Speedo

Placement Muscleback Swimsuit - Blue
£36.00 RRP £39.00
Rated 4.0 out of 5
Based on 1 review
Zoggs-ZO-462338-Spatial-speedback-women_Simply-Swim-front Zoggs-ZO-462338-Spatial-speedback-women_Simply-Swim-front Save
18% On Sale
icon/visibility Created with Sketch.

Zoggs

Spatial Speedback Swimsuit - Blue/Orange
£37.00 RRP £45.00
Speedo - Hyperboom Allover Medalist Swimsuit - Black/Purple/Orange - Model Front Speedo - Hyperboom Allover Medalist Swimsuit - Black/Purple/Orange - Model Front
icon/visibility Created with Sketch.

Speedo

Hyperboom Allover Medalist Swimsuit - Black/Purple/Orange
£44.00
Hyperboom Medalist Allover Print Swimsuit - Blue Hyperboom Medalist Allover Print Swimsuit - Blue
icon/visibility Created with Sketch.

Speedo

Hyperboom Medalist Allover Print Swimsuit - Blue
£44.00
Speedo-SP-8-00305518174-Speedo-digital-placement-medalist-Simply-Swim-front Speedo-SP-8-00305518174-Speedo-digital-placement-medalist-Simply-Swim-front Save
18% On Sale
icon/visibility Created with Sketch.

Speedo

Digital Placement Medalist Swimsuit - Black/Multi
£39.50 RRP £48.00
Speedo - Digital Placement Medalist Swimsuit - Purple/Orange - Model Front Speedo - Digital Placement Medalist Swimsuit - Purple/Orange - Model Front Save
21% On Sale
icon/visibility Created with Sketch.

Speedo

Digital Placement Medalist Swimsuit - Purple/Orange
£38.00 RRP £48.00
Speedo - Solid Leaderback Swimsuit - Navy - Model Front Speedo - Solid Leaderback Swimsuit - Navy - Model Front Save
10%
icon/visibility Created with Sketch.

Speedo

Solid Leaderback Swimsuit - Navy
£34.99 RRP £39.00
Speedo - Allover Digital Recordbreaker Swimsuit - Blue/Black - Product Front/Side Speedo - Allover Digital Recordbreaker Swimsuit - Blue/Black - Product Front/Side Save
22% On Sale
icon/visibility Created with Sketch.

Speedo

Allover Digital Recordbreaker Swimsuit - Blue/Black
£39.00 RRP £50.00
Speedo - Solid Leaderback Swimsuit - Black - Model Front Speedo - Solid Leaderback Swimsuit - Black - Model Front Save
10% On Sale
icon/visibility Created with Sketch.

Speedo

Solid Leaderback Swimsuit - Black
£34.99 RRP £39.00
Speedo - Endurance+ Printed Medalist Swimsuit - Green/White - Model Front Speedo - Endurance+ Printed Medalist Swimsuit - Green/White - Model Front
icon/visibility Created with Sketch.

Speedo

Endurance+ Printed Medalist Swimsuit - Green/White
£46.00
Speedo-SP-800372515357-hyperboom-purple_Simply-Swim Speedo-SP-800372515357-hyperboom-purple_Simply-Swim Save
5%
icon/visibility Created with Sketch.

Speedo

HyberBoom Splice Racerback Swimsuit - Black/Pink
£37.00 RRP £39.00
Medley Logo Medailst Swimsuit - Black/Yellow Medley Logo Medailst Swimsuit - Black/Yellow
icon/visibility Created with Sketch.

Speedo

Medley Logo Medailst Swimsuit - Black/Yellow
£32.00
Speedo - Placement Muscleback Swimsuit - Navy/Blue - Model Front Speedo - Placement Muscleback Swimsuit - Navy/Blue - Model Front
icon/visibility Created with Sketch.

Speedo

Placement Muscleback Swimsuit - Navy/Blue
£39.00
Speedo Womens Digital Placement Medalist Swimsuit - Blue - Front Speedo Womens Digital Placement Medalist Swimsuit - Blue - Front Save
32% On Sale
icon/visibility Created with Sketch.

Speedo

Digital Placement Medalist - Blue
£30.00 RRP £44.00
Rated 5.0 out of 5
Based on 2 reviews
Speedo-SP-8-00317318169-Speedo-Allover-Digital-LanebackSwimsuit-Black_Multi-AF_Simply-Swim Speedo-SP-8-00317318169-Speedo-Allover-Digital-LanebackSwimsuit-Black_Multi-AF_Simply-Swim Save
18% On Sale
icon/visibility Created with Sketch.

Speedo

Allover Digital Leaderback Swimsuit - Black/Multi
£40.00 RRP £49.00
Top