Mobility and Comfort. Thinsulate has become the choice for extended duration, decompression diving & polar diving. Its innovative design combines the highest quality materials to provide exceptional warmth, mobility and comfort. Recommended for 28-45AdegF great choice for a wide range of colder water temps Made with Thinsulate(TM) Ultra Insulation (400 gm/gm) which provides the greatest amount of warmth per unit of thickness available -black PolartecA(R) PowerStretchA(R) Pro (560 gm/m2) at ankles for warmth and comfort Wind-and-spray resistant outer shell with high tenacity technical ripstop Fleece lining for warmth and comfort Antimicrobial liner Cordura bottom for durability