Description: Three layer material three-layer composite structure, 2mm thick, outer elastic nylon cloth, middle layer 2.5mm neoprene cold proof and warm keeping, inner layer elastic nylon cloth. Three layers of laminating materials can effectively lock the body temperature, reduce water convection, slow down the loss of body temperature, and continuously and efficiently prevent cold and keep warm! Special design the diving suit adopts the front zipper design, which is very convenient to wear and take off. Four way elasticity it can be stretched freely and has good for rebound. Waterproof the material is impervious to water. After many wading tests, the water source cannot penetrate the rubber layer, effectively reducing cold water convection and circulating heat storage for a long time. Scratch and foreign matter prevention resist the invasion of harmful organisms such as jellyfish in the sea, wear-resistant and scratch resistant. Convenient and practical the collar and cuffs are covered with smooth leather to lock the body temperature, reduce water convection and strengthen the effect of warmth preservation. Wear resistant knee for protection cloth. Specification: Color black Material 90% neoprene, 10% nylon SizeApprox.40x53x3 cm/15.74x20.86x1.18 inches Packing list 1piece 3 mm thick diving suit Package Includes: 1 Piece Thick Diving Suit