Men's Earth Elements Slip on Boots Leather Suede Upper Charcoal Black Brown 13. Those toothy treads underneath do a great job of grabbing hold of tricky surfaces, just like you’d expect from a great boot. The difference is, this one does it with sneaker-like comfort and nonstop flex. The ride is cushy and stable, and the premium materials really elevate the looks. Upper Premium suede sourced from an LWG Gold Rated tannery for sustainability Elastic stretch panels and two pull tabs for easy-on, easy-off convenience Leather wrap-around rand amps up the style and improves durability Smooth lining breathes easily and wicks away moisture Footbed Fast-drying footbed cover made from recycled material OrthoLite? foam footbed for all-day support, made with recycled content Outsole All-surface, sawtooth outsole made from recycled rubber