Light and breathable textile upper with full-grain, polishable leather forefoot for durable protection Waterproof boot liner for added shield from the elements Medial side zip and pull loops on heel and tongue for easy on off Die-cut, full-length EVA footbed provides ideal underfoot comfort Full-length Micro G foam midsole for the ultimate in long lasting, responsive cushioning Reinforced TPU shank for protection and support Slip-resistant, high-traction rubber lug outsole for enhanced grip on a variety of surfaces Upper contains at least 20 percent recycled content We upgraded the outsole of our popular UA Stellar to be slip-resistant so the elements won't get in the way. It's also waterproof, has a side zip entry, and keeps your feet feeling fresher during the longest shifts.