Boy's "Thick As Thieves" Rashguard

This boy's rashguard features 100% UVA & UVB sun protection. Features seams at the shoulders & at the sides for full mobility. 89% polyester & 11% spandex. Boys (XS) roughly fits 4-6 years, (S) 6-7 years, (M) 7-9 years, (L) 10-12 years, (XL) 12-16 years.