The 5mm Split Toe boots are our warmest boots to date. Redesigned and streamlined with minimal GBS Liquid seams to make sure cold water stays out. The boots are crafted from MX2 Foam and Wind Mesh neoprene with Hex-grip lite at the sole for optimized grip while remaining lightweight. Staying warm has never been easier. THE DETAILS: Liquid seams (100%): all seams GBS (Glued Blind Stitched) Wind Mesh Hex-grip lite MATERIALS: MX2 Neoprene Flaremesh