MOUNTAIN TOUGH, CITY STYLE WHITNEY(TM) is always (laced) up for adventure. Mountain, trail, or city, this is the all-weather boot that's big on style and function. Other features of the WOMEN'S WHITNEY(TM) II Plus Lace include: Design: Removable molded PU-like EVA footbed Molded rubber cupsole construction Waterproof nylon upper and PU coated synthetic overlays Microfleece lining 200g insulation Durability & Traction: Waterproof bootie construction Laces are not waterproof