COZY AND WATERPROOF WINTER BOOTS New with box Size 7.5 Cozy nylon boot with 6mm recycled felt lining. Removable, washable inner boot. Waterproof materials keep feet comfortable in slushy conditions. UPPER: Waterproof nylon upper. Seam-sealed waterproof construction. Laces are not waterproof. INSULATION: Synthetic insulation. Removable 6 mm washable recycled felt inner boot. MIDSOLE: 2.5 mm bonded felt frost plug. OUTSOLE: Handcrafted waterproof vulcanized rubber shell with herringbone outsole. HEEL HEIGHT: 1/2 in. PLATFORM HEIGHT: 1/4 in. SHAFT HEIGHT: 6 1/2 in. LACE LENGTH: 41" in. Please note: Laces and zippers incorporated in SOREL footwear are not waterproof. Measurements based on size 9.