The Supreme 7mm Split Toe boots are our warmest boots to date. Redesigned and streamlined with minimal GBS Liquid seams to ensure cold water stays out. The Supreme boots are made of MX2 Foam and Wind Mesh neoprene with Hex-grip lite on the sole, for optimized grip while remaining light. Keeping warm has never been easier. Features Liquid seams (100%): all seams GBS (Glued Blind Stitches) Wind Mesh Hex-grip lite Materials MX2 Neoprene Flaremesh+