No. 11653 The Bowstring is a sporty, good-looking reiteration of a classic 6-inch work boot. Made with a premium waterproof leather upper, warm Primaloft® insulation, a supportive EVA midsole, plus excellent traction – they’ll get you through winter in comfort. The Bowstring winter boots have a 30-40°C/-22/-40°F thermal rating. DETAILS Fiber content: - Upper: 100% Leather - Upper 2: 60% Polyurethane 40% Polyester (Recycled) - Upper 3: 70% Polyester (Recycled) 30% Polyurethane - Lining: 100% Polyester (Recycled) - Lining 2: 50% Polyurethane 50% Polyester (Recycled) - Insole: 100% EVA - Outsole: 100% Rubber Care Instructions: Do not bleach. Do not tumble dry. Do not iron. Line dry. Do not use fabric softener. Use mild soap. Hand wash - maximum temperature 40°C. Weight: 1000g FEATURES HH® Quick Dry HH® Power-Stride HH® Max-Grip HH® Seam-Shield HH® Hover-Stride HH® Max-Comfort Insole PrimaLoft® Eco Padded Comfort Collar Premium waterproof leather 100% Recycled Lining 30% Recycled Rubber Antimicrobial treatment to prevent odour 100% Recycled Polyester Strobel Underfoot EVA Comfort insole insert PrimaLoft® 200 grams Premium Leather 20/-30°C , -4/-22°F Thermal rating LWG leather PFC-free DWR