Xcel Thermo Shield Fullsuit: Pre-bent articulating elbows and knees SupraTex buttocks panel and kneepads for maximum strength and flexibility Thermal Protection System consists of a vertical back zipper with quadruple glued and blindstitched double skin on skin seal, wrist and ankle seals and adjustable Comfort Collar Seal System, when worn with hooded vests 7mm Titanium lined body and 5mm panels behind the knees and inside the elbows Colors: black, black/royal, black/purple Men's and Women's sizes View the size charts