The Keen Men's Koven Mid WP Hiking Boot handles muddy trails and rainy campsites with ease. A Keen. Dry membrane gives this boot reliable, waterproof, and breathable protection, and a mix of leather and mesh keeps the Koven Mid durable and comfortably ventilated. There are two layers of EVA for the right touch of cush, and you can remove one of them if that's more comfortable for you. Keen added a TPU shank for stability, non marking rubber at the sole for grip, and multi directional lugs for traction on varied terrain.