Top Wetsuit 90% Neoprene + 10% Nylon: This man wetsuit jacket is made of the best SCR neoprene,makes the wetsuit more elastic,comfortable, softer and more durable. 1.5mm neoprenemm,keep warm: 1.5mm thick neoprene wetsuit top could keep your body warm and dry while you do some water sport. Sun Protection and prevent injuries: Elastic long sleeves waterproof jacket help prevent sunburn and injuries, the tighthen cuff design to enhance the waterproof effective. Front Zip Design: Front zip design is easy to get on and take off. Fits close to the you body, give you greater freedom of movement. Multi-Function: our neoprene top is not only perfect for swimming, surfing and snorkeling, but also suitable for fitness. It will creates sauna effect and make you get more sweat while you do physical exercise, to speed up achievement of your fitness goal.