A bungee closure lace system makes it easy to boot up for snow play. Waterproof PU coated leather and textile upper Omni-Tech™ sheds water and releases excess heat with multi-layered breathable materials, so your feet stay dry and comfortable in wet conditions Omni-Heat™ thermal-reflective lining retains warmth using breathable silver dots that reflect body heat, so your feet stay warm and comfortable as temps drop Omni-Grip™ outsole provides exceptional traction in wet and dry conditions 400g insulation Bungee closure system Injection molded rubber shell/outsole