Waterproof nylon upper and PU coated synthetic overlays Waterproof breathable membrane construction keeps out the wet elements for a drier, more comfortable foot environment Soft and cozy microfleece lining 200g insulation keeps your feet warm when you're walking through a winter wonderland Removable molded EVA footbed with a microfleece topcover for all-day comfort Rubber outsole provides excellent traction Heel Height: 1 in Shaft: 5 1/2 in Platform Height: 1/2 in