Our diving top is made of premium neoprene and nylon fabric,primarily providing thermal insulation and sun protection.Let you enjoy more fun for multiple water sports. Features: Made of soft and lightweight 2mm neoprene and nylon fabric,flexible to wear and thick enough to keep warm. Long sleeves effectively blocks UV rays to protect you from the sun and protects from reef injuries. Front zipper and stretchy fabric to easily put the top on and take it off. Suitable for beach vacations,snorkeling,swimming pools,surfing,and others water sports. Specification: Model: Woemn / Men (optional) Men CN Size: M / L / XL / 2XL / 3XL (optional) Women CN Size: S / M / L / XL / 2XL (optional) Material: 2mm Neoprene + Nylon Package weight: approx. 360 - 590 g / 0.8 - 1.3 lb Package List: 1* Diving Top (Pants Not Included)