Quiksilver Wetsuits - Quiksilver Syncro 2mm Polypro Hooded Thermal Rashvest - Black :: Men > Rash Vests. Internal key pocket: Secure and comfyGlideskin neck seal: Ultra smooth neoprene liner for superior comfort\n along with a watertight sealEntry: Pull overThickness: 2mmFlatlock seams: Super-resistant flatlock seams. stitched close together\n for a flexible. soft & durable seamThermal Smoothie Neoprene: Flexible neoprene that is wind and water repellentFN Lite neoprene: Packed with air cells for the lightest of lightweight\n warmthMen's thermal rash vestMaterial: 95.5% Polyester. 4.5% elastane Size: X-Large,Medium,Small.