The Crispi Alpine Pro SF is an ultra-stiff, uninsulated mountaineering-style hunting boot engineered for high-altitude pursuits in extreme terrain. Handcrafted to meet the demands of rugged sheep and goat hunts, the upper combines water-repellent microfiber synthetic textiles with high-durability PUtek® fabric to maximize abrasion resistance while shedding overall weight. It features a full-wrap rubber rand to safeguard the chassis against sharp shale and jagged rock faces. Underfoot, a specialized Vibram® Curcuma outsole is paired with a dual-density polyurethane midsole to deliver reliable traction, deep shock absorption, and semi-automatic crampon compatibility across ice or packed snow. Built with a maximum 5/5 flex rating, it provides elite-level lateral stability and side-hill edging control to prevent foot fatigue during steep backcountry packouts. Crispi Alpine PRO SF Boots Grey 6872-6007