Alpinestars Tech 1-Z Race Boots - 38 (UK 5) Black/Red

Main upper constructed from superbly supple lightweight kangaroo leather for excellent comfort. Innovative closure system: comprising of a DuPont™ Kevlar® speed top lacing system integrated with Alpinestars’ developed wire closure system, which envelopes the foot for optimal support and structure. One-piece foot and heel counter features ergonomic polypropylene heel counter for support, protection and stability plus integrated PU fireproof heel for comfort. Lightweight micro-porous heel padding. All graphics printed for weight-saving and improved performance. Exclusive thin rubber compound outsole, derived from the Formula 1 race program, providing unsurpassed levels of feel and grip. Perforation zones on lateral and medial sides, tongue, collar, heel, toe and tongue for breathability. Closure system with adjustable Velcro® strap for secure fit. Nomex® tubular lining construction for excellent heat-resistance, and weight-saving. Low-cut collar in heel allows greater comfort and improved range of movement. Collar in Nitrile rubber for comfort and weight-saving.Tongue padding made in double layer CarbonX® material for additional flame-retardant properties, plus reduced weight. FIA /Alpinestars label on the tongue made from fireproof TPR.FIA 8856-2000 approved