Whatever the forecast says, they'll take it all on in a boot that packs a punch. It's waterproof and seam-sealed to keep the chill out, and has cozy insulation to keep warmth in. The best part? No need to tie the laces, just tighten and go. Features UPPER: Waterproof nylon upper. Seam-sealed waterproof construction. Laces are not waterproof. INSULATION: Removable 9 mm washable recycled felt inner boot with Sherpa pile snow cuff. MIDSOLE: 2.5 mm bonded felt frost plug. OUTSOLE: Handcrafted waterproof vulcanized rubber shell with Sorel aero-trac non-loading outsole. HEEL HEIGHT: 1 1/4 in. PLATFORM HEIGHT: 3/4 in. SHAFT HEIGHT: 8 3/4 in. LACE LENGTH: 24 in. Please note: Laces and zippers incorporated in SOREL footwear are not waterproof. Measurements based on size 1. Perfect for heavy snow