Quiksilver Boys All Time Short-Sleeve Rash Guard Suit, Black, Sz. Medium_12 The All Time Short Sleeve Rash Guard from Quiksilver offers Flatlock seams for enhanced durability and all the legit sun and chafe protection you expect 6oz. UPF 50+ surf shirt. Short sleeve style with low neck design Flatlock stitched. Boardshort loop fastener. For Boys age 8-16. 2015 Model 2015 Model