Step into adventure with Merrell boots, boasting a perfect blend of style and durability with a generous round toe shape, flat heel, waterproof design, adjustable toggle elastic closure for a customized fit, Vibram soles for superior traction, and Primaloft insulation lining that provides 80 grams of cold-weather protection in a breathable style. minimalist / barefoot snow and winter boot Waterproof Flat, zero drop and flexible bungee tie at the top of the boots creates a tight fit to keep snow out, but left cinch is loose/does not fully tighten. Approx. boot shaft height: 10" with 12" calf circumference.