Merrell Frost Glove Waterproof Boots Charcoal Gray Sz 8 M J56380 NIB Merrell's Frost Glove Boots are waterproof and insulated to protect your feet dry and warm. Features/Benefits: Minimalist design helps strengthen your feet and leg muscles, encourages natural gait to improve posture, and connects your feet to the terrain Minimalist 3.5 mm EVA cushioning for comfort and protection from the cold 80 g PrimaLoft insulation for low-bulk, toasty warmth; treated with Aegis antimicrobial for odor resistance Merrell Conductor Fleece provides lightweight, versatile heat retention in varying conditions; treated with Aegis antimicrobial to resist odor 3 mm active heat film under the foot to help retain warmth Waterproof, breathable membrane keeps feet dry and comfortable Slip-on fabric upper with DWR (durable water repellent) finish to resist water and staining Molded nylon arch shank provides support and allows forefoot flexibility Vibram Snow Glove outsole with TC-1 rubber for traction; 3.5 mm sole lug depth Cement construction provides lightweight durability Minimalist design helps strengthen your feet and leg muscles, encourages natural gait to improve posture, and connects your feet to the terrain Style