Choose Location
Bag icon My Bag
  • Award
    Award Winning Baby Swimwear Range
  • Van
    USA Delivery from only $7.99
  • Globe
    World's Largest Range of Baby Swimwear
  • Swimmers
    Recommended by Swim Schools Worldwide

Happy Nappy Products 

Brand New Happy Nappy™ Swim Diaper

  Waist  Thigh
(X Small) Newborn 12.2 - 14.2 in 5.9 - 7.9 in
(Small) 0 – 3 m 13.4 - 16.1 in 7.5 - 9.4 in
(Medium) 3 – 6 m 14.6 - 17.3 in 7.9 – 10.2 in
(Large) 6 – 12 m 15.7 – 18.5 in 7.9 – 10.2 in
(X Large) 1 – 2 y 16.5 – 19.7 in 8.7 – 12.2 in
(XX Large) 2 – 3 y 17.3 – 20.5 in 10.2 – 13 in
3 – 4 y 18 – 21 in 10.5 – 14 in
4 – 5 y 22 – 24 in 11.5 – 15 in

 

Happy Nappy Duo™

  Waist  Thigh
(Small) 0 – 3 m 13.4 – 16.11 in 6.7 – 8.7 in
(Medium) 3 – 6 m 14.6 – 17.3 in 7.5 – 9.4 in
(Large) 6 – 12 m 15.7 – 18.5 in 7.9 – 10.2 in
(X Large) 1 – 2 y 16.5 – 19.7 in 8.7 – 12.2 in
(XX Large) 2 – 3 y 17.3 – 20.5 in 10.2 – 13 in
3 - 4 y
18 - 21 in
10.5 - 14 in
4 - 5 y
22 - 24 in
11.5 - 15 in

 

Happy Nappy™ Swimsuit

  Waist  Thigh Chest HPS * Crotch
(Medium) 3 – 8 m 15.7 – 18.1 in 7.9 – 10.2 in 18.1 – 19.7 in 15.7 – 16.9 in
(Large) 6 – 14 m 16.9 – 18.5 in 8.7 – 11 in 18.9 – 21.2 in 17.3 - 20 in
(X Large) 1 – 2 y 17.7 – 20 in 9.4 – 11.8 in 20.5 – 22 in 18.9 – 20 in
(XX Large) 2 – 3 y 20 – 20.5 in 10.2 – 12.6 in 21.3 – 23.6 in 20.5 – 21.7 in

*HPS = High point of shoulder

 

Happy Nappy™ Sunsuit

  Waist  Thigh Chest HPS * to Crotch
(Small) 0 – 4 m 13.4 – 16.11 in 6.7 – 8.7 in 15.7 – 44 in 12.6 – 13.8 in
(Medium) 3 – 8 m 15.7 – 18.1 in 7.9 – 10.2 in 18.1 – 19.7 in 15.7 – 16.9 in
(Large) 6 – 14 m 16.9 – 18.5 in 8.7 – 11 in 18.9 – 21.2 in 18.9 - 20 in
(X Large) 1 – 2 y 17.7 – 20 in 9.4 – 11.8 in 20.5 – 22 in 20.5 – 21.7 in

*HPS = High point of shoulder

 

Toddler Jammers

  Waist  Thigh Length
(Small) 2 - 3 y 17.3 - 20.5 in 9.4 - 11.8 in  9.8 in
(Medium) 3 – 4 y 18.1 – 21.3 in 10.2– 12.6 in 10.2 in

Baby Wetsuits

Baby Wrap Wetsuit

  Chest HPS* to Crotch
(Medium) 6 - 18 m 19.3 - 20.9 in 16.5 - 17.7 in
(Large) 18 – 30 m 21.3 – 22.8 in 16.9 – 18.11 in

 

Warm In One Wetsuit

  Chest HPS* to crotch Length
(Medium) 3 - 6 m 20.5 - 22 in 13 - 14.2 in 20.1 in
(Large) 6 - 12 m 22 – 23.6 in  14.6 – 15.4 in 21.3 in
(Extra Large) 12 - 24 m 23.6 – 25.2 in 15.7 – 16.9 in 23.6 in

*HPS = High point of shoulder 

Pool & Changing

After Swim Waterproof Onesie

  Chest HPS * to Crotch
(Small) 6 – 12 m 22.4 in 16.2 in
(Medium) 1 – 2 y 25.2 in 18.1 in
(Large) 2 – 3 y 28 in 20 in

*HPS = High point of shoulder

 

Swim Cap

  Dimensions
(Small) 0 – 18 m 15.7 – 21.2 in
(Medium) 18 m + 16.5 – 23.6 in

 

Nappy Wrap

  Age
Small 0 - 4 m
Medium 3 - 14 m
Large Toddler +

 

Size Adjustable Under Diaper

  Waist  Thigh
(Small-Medium) 0 - 1 y 14- 17 in 7.5 - 11 in
(Medium- Large) 1 – 3 y 16.5 - 21.3 in 11 - 13.8 in

Floatsuits

Floatsuit

  Chest Length Weight
(Small) 1 - 2 y 16.5 - 20.5 in 15.7 in 24.3 - 33 lbs
(Medium) 2 - 4 y 17.3 - 21.3 in  16 in 33 - 48.5 lbs
(Large) 4 - 6 y 18.1 - 22 in 16.9 in 48.5 - 66 lbs

 

UV Floatsuit

  Chest Length Weight
(Small) 1 - 2 y 16.5 - 20.5 in 15.7 in 24.2 - 33 lbs
(Medium) 2 - 4 y 17.3 - 21.2 in 16.1 in 33 - 48.5 lbs
(Large) 4 - 6 y 18.1 - 22 in 16.9 in 48.5 - 66.1 lbs

 

Short John Floatsuit

  Chest Length Weight
(Small) 1 - 2 y 16.5 - 20.5 in 15.7 in 24.2 - 33 lbs
(Medium) 2 - 4 y 17.3 - 21.1 in  16.1 in 33 - 48.5 lbs
(Large) 4 - 6 y 18.1- 22 in 16.9 in 48.5 - 66.1 lbs

Float Jackets

Go Splash Swim Vest

  Chest Weight
(Small) 1 - 2 y 18.9 - 20.5 in 24.2 - 33 lbs
(Medium) 2 - 4 y 20.9 - 22.8 in 33 - 48.5 lbs
(Large) 4 - 6 y 23.2 - 24.8 in 48.5 - 66.1 lbs

Wetsuits and Sun Protection

Shorty Wetsuit

  Chest Collar to Crotch
2 - 4 y 21.3 in 15 in
4 - 6 y 22.8 in 16 in

*HPS = High point of shoulder

 

Rash Tops

  Chest Length
1 - 2 y 21.3 – 22.8 in 14.6 in
2 - 3 y 22.8 – 24.4 in 16.1 in
3 - 4 y 25.1 – 26.8 in 17.7 in

*HPS = High point of shoulder

Older Children & Adults

 Jammers

Toddler Jammers

  Waist Thigh Length
(Small) 2 - 3 y 17.3 - 20.5 in 9.5 – 18.1 in 9.8 in
(Medium) 3 - 4 y 18.1 – 21.2 in 10.2 – 12.6 in 10.2 in

Child Jammers

  Waist Thigh Length
(Small) 4 - 5 y 18.9 – 22 in 11 – 13.4 in 9.8 in
(Medium) 5 - 6 y 19.7 – 22.8 in 11.8 – 14.2 in 10.6 in
(Large) 6 - 7 y 20.5 – 23.6 in 12.5 – 15 in 11.8 in
(Extra Large) 7 - 8 y 21.3– 24.4 in 13.4 – 15.7 in 12.6 in

 Adult Jammers

  Waist  Thigh Length
Extra Small 22 – 26.7 in 13.8 – 16.9 in

15 in

Small 24.4 – 27.6 in 15.7 – 18.5 in

15.7 in

Medium 26.8 – 30.7 in 17 – 20 in 16.5 in
Large 30 – 31.5 in 18.5 – 21.7 in 17.3 in
Extra Large 34.7 – 40.9 in 19.7 – 23.6 in 18.1 in