...A unique and compelling solution, only by Apex. SFT technology radically advances technical outdoor apparel. First, it breathes actively and mechanically, far in excess of tradtional "breathable" fabrics and much to the pleasure of cosumers. Second, SFT fabrics insulate twice as well as neoprene of comparable thickness, providing protection from severe cold, while maximizing mobility. And finally, SFT garments are buoyant, cradling users with a level of security should the unexpected happen.