MANUFACTURING MATERIALS FOR CHIRUCA HUNTING PRODUCTS GORE-TEX Waterproof, breathable and comfortable. MORE INFORMATION BOA® FIT SYSTEM Quick, precise and effortless adjustment. MORE INFORMATION VIBRAM® Soles for the most technical hiking trails. MORE INFORMATION POLYURETHANE XTRA® Soles that do not hydrolyse and give more and better grip. MORE INFORMATION CH+® Windproof, waterproof and breathable membrane. MORE INFORMATION PIELES CHIRUCA® We manufacture with Spanish cattle hides. MORE INFORMATION