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. 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. GAITERS One-piece seamless gaiters cover the shoe and lower leg completely. Gaiters are water-tight, with a water-tight zipper and elastic, and protect against cold, water, moisture and snow. And the boot instep is adaptable to different foot shapes. PVC NEOPRENE PVC is strong and lightweight, soft and flexible, and highly durable, while neoprene maintains good flexibility over a wide temperature range and offers good insulation against both wet and cold.