Wave Cruiser-Boy Short Sleeve SPF Zipper Rash Guard by SwimZip Zipper closure UPF 50+ ... Blocks 98% of UVA and UVB Rays! (Swimsuit with built-in SPF protection!) SwimZip's Signature Full Zipper Down Front Makes It SO EASY To Put-On and Take-Off! No Pinch Zipper Flap No Chaffe Flat Seams Tagless Neck