Nwot Slinx full body Lycra wetsuit/ dive skin. The sizes are Chinese sizes, which are about 2 sizes smaller. I am listing a S, which is a US XXS, and a 3XL, which is a US XL. Please check the measurements on the size chart for correct fit. If you are in between sizes, the company recommends going up a size - COMFORTABLE FIT: made with spandex to give you an extremely soft, breathable and lightweight fit - Naturally form fitting to reduce drag in the water - With full body and a long sleeve design, this one piece wetsuit has UV protection and defends against cold temperatures, jellyfish, sea lice...ect, also tidy line stitching avoid the painful friction to skin - Slip-on design with back zipper is durable for easy entry and exit, fit tight and snug with fast drying - DURABLE: 150% high stretch and excellent recovery, well made and not easily ripped