Description of Keen Humbolt Trail running through the redwoods or scrambling through skree fields in the Rockies, the Humbolt is ready for all terrain. The addition of a full stretch mesh bootie lends protection to help keep out rocks, twigs and sand you'll inevitably encounter when these shoes take you away from manicured trails and into wild places off the beaten path. From Humbolt County to the Grand Tetons the Humbolt provides comfort and gets you through the tough spots. Features: Metatomical EVA Footbed Stability Quad Density EVA Midsole Integrated Heel Stabilization Forefoot Protection Plate Multi-directional 3mm Lugs with Sticky Rubber Secure Fit Lace Capture System Hydrophobic Synthetic Upper Gist Microbe Shield Treated Mesh Lining Stretch Mesh Mono Sock