Five Ten Kestrel Pro Boa Mountain Biking Shoes - With the Kestrel Pro Boa® shoe, you can maximize your performance while biking! Its click system-compatible design and the high stiffness of the midsole ensure optimal power transfer. The finely adjustable Boa® closure system allows for a precise, secure fit, while the wide Stealth® C4 rubber outsole provides excellent grip on any terrain. The quick-drying synthetic upper with breathable mesh inserts also guarantees a comfortable wearing experience in all weather conditions. Highlights of the Kestrel Pro Boa: • Regular fit • The finely adjustable Boa® Fit System enables precise width adjustment and a consistently secure fit. • Water-repellent, micro-perforated synthetic upper; perforated EVA tongue with mesh overlay • Textile lining; Stealth® C4 rubber outsole for unbeatable grip • Durable, lightweight EVA midsole; OrthoLite® insole for comfort and optimal cushioning • Click system-compatible; slip-resistant heel area; stiff, carbon-reinforced nylon element in the outsole 5.10 KESTREL PRO BOA core black/red/grey six 9 / 4060509413165