NNN XCELERATOR Top racing sole with neutral foot position provides more direct power transmission; light, with optimised flex and torsional stiffness; different hardnesses for skate and classic shoes; PEBAX-made. TPU The TPU heel counter provides good grip, stable foothold in the heel, prevents heel movement, and adapts to various foot shapes and heel volumes. 4DRY PVC 4DRY WEAVE 4DRY PVC with its perforated PVC construction and 4DRY WEAVE with its woven textile configuration makes the boot water impermeable and allows it to breathe. Water vapour passes out of the boot, so the boot interior stays warm and dry for maximum comfort. ANATOMIC FOOTBED Insole contributes significantly to the vertical stability of the foot, providing a high level of comfort and improves the thermal insulation of the shoe. THINSULATE INSULATION “Thinsulate” insulation provides up to twice as much thermal shoe insulation. Even under extremely cold and high-humidity conditions it provides the foot with maximum thermal comfort. ELASTIC INSERT For gaiter adaptability to various lower leg shapes.