Body Glove 7mm X2 Dive Combo Wetsuit: Stay warm with BodyGloves Metalite Ti interior. 7mm Construction Two piece = double thickness on the torso for warmth Metalite Ti lining on chest and back panels for maximum warmth Glideskin-lined wrist and ankle seals to minimize water movement and provide ease of entry X-Flex stratch panels in shoulders, crotch, and knees for enhanced flexibility and reduced muscle fatigue Durable Supratex Kneepads Heavy Duty YKK Front Zipper Lycra trim finish to edges Spine pad in Farmer John Double-blindstitched exterior seams for durability Interior Key Pocket Sizes S, SM, M, ML, LS, L, XL, XXL, XXXL BodyGlove Size Chart