Ideal core heat production Material: channel flex upper body – radiant rebound chest – plush thermo lite infrared lower body – 100%ultraflex lower body – nanoprene lite japanese limestone – glide skin collar – dope-dye yarn Design semi-dry zipper – magnetic closure – engineered fit system – back knee flex grooves Construction triple glued and blind stitched seams – fusionx tape – nexskin wrist & ankle seals – water-based glue