The Carnival™ is a cozy nylon boot with 6mm recycled felt lining keeps you toasty warm. The inner boot is removable, washable and replaceable. Waterproof materials help keep your feet comfortable, even if when slushy outside. UPPER: Waterproof nylon upper. Seam-sealed waterproof construction. Laces are not waterproof. 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: 3/4 in. PLATFORM HEIGHT: 1/2 in. SHAFT HEIGHT: 8 1/4 in. LACE LENGTH: 41 in. Please note: Laces and zippers incorporated in SOREL footwear are not waterproof. Uses: Heavy Snow Imported Style #: 1855081