Alpinestars SP v2 Racing Shoes - SFI 3.3

Construction:

• Fireproof materials and components used throughout for superior driver protection.
• Main upper constructed from premium suede for optimum levels of durability, comfort and fit.
• The sharp, sleek shoe profile is derived from Formula One to provide the best possible pedal interaction and comfort in the cockpit.
• Polypropylene and leather combine to create a double layer which sits on the sole for enhanced driver comfort and a more precise fit.
• Full tongue upper, lateral and medial constructed from perforated suede for enhanced ventilation and optimized breathability.

Comfort and performance:

• Soft material on the rear collar for increased Achilles heel comfort.
• Traditional lacing for ease of use with gloved hands.
• Nomex lining for excellent heat-resistance, weight-saving and reduced seams.
• Collar padding constructed from Nitrile rubber for comfort and weight-saving.

High-performance Sole:

• New lightweight, ultra-thin rubber compound sole for improved pedal feel.
• Integrated rubber midsole for greater heel protection.
• Foot counter features multi-compound construction and ergonomic polypropylene heel counter, which provides support, protection and stability plus integrated PU fireproof heel for comfort.
• Lightweight micro-porous padding around the heel and insole enhances comfort.