The 5mm Infiniti Round Toe boot is constructed from Ultra Stretch neoprene for flexibility, with Xcels Thermocarbon lining for ultimate insulation. This is a polypro material that wicks water away from the body to keep you drier, warmer and increases comfort. The boot is built with Pressure Bonded taped seams and Taitex ankle grip to seal the boot from flush. The boot is finished with an ankle strap for a snug fit, a heel tab to aid getting the boot on and off, they also run a good length up the leg to ensure a good overlap with the wetsuit.This is a highly specced boot ready to take on the cold this winter, but without impinging on the overall feel and performance of the boot. , Features, Ultra Stretch , Thermocarbon Lining , Pressure Bonded Seams, Taitex Ankle Seals , , ,