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Size Chart | Bitty Fish

BittyFish long sleeve rash guard size chart in CM ( Sizes 6M-4T)
(CM) 6M 12M 18M 2T 3T 4T 
Clothes length 32 35 38 41 44 47
Sleeve length 35 37.5 40 42.5 45 47.5
Chest Width 1/2 25 27.5 30 32.5 35 37.5
Lower hem 1/2 23.5 26 28.5 31 33.5 36
Cuff 1/2 6 6 6.5 7 7.5 8

 

BittyFish long sleeve rash guard  size chart (5-12 years old) in CM  
  S(5-6T) M(7-8T) L(9-10T) XL(11-12T)
Chest Width 1/2 39.5 42 44.5 47
Lower hem 1/2 38.5 41 43.5 46
Clothes length 49 52 55 58
Shoulder width 32 34 36 38
Sleeve length 40 42.5 45 47.5
Cuff 1/2 9 9.5 10 10.5

 

BittyFish long sleeve rash guard - Men's (Inches)  
  Small Medium Large XL
Chest Width 37" - 39" 39" - 41" 41" - 43" 43" - 45"
Waist 27" - 29" 30" - 32" 33" - 37" 38" - 40"
Sleeve length 33" 34" 35" 36"

 

BittyFish long sleeve rash guard - Women's (Inches)  
  Small Medium Large XL
Chest Width 32" - 33" 34" - 35" 36" - 37" 38" - 39"
Waist 26" - 27" 28" - 29" 30" - 31" 32" - 33"

 

Adult Sizes are consistent with traditional adult swim shirts / rash guards. If you are unsure of your size, we recommend purchasing a shirt one size larger than your t-shirt size. Please note, the mommy and me line featuring sublimation patterns (Mingos, Mermaiden, Pineapples etc) have 3/4 length sleeves.

BittyFish UPF Sun Hats  
 Hat Size Small Medium Large
Child Age 6M - 2T 3T-4T 5T - Youth M