The North Face - Bryce Mid (Nickel Grey/Aviator Blue) - Men's: Lightweight, vented low-cut hiker suitable for loads up to 30 lbs. 1.8-2.0mm Nubuck leather. Highly breathable, abrasion-resistant mesh. Dri-lex(R) wicking lining. Rubberized leather toe cap and heel. Northotic(tm) ergonomically-designed, multidensity footbed with AgION(tm) anti-microbial top sheet. Gusseted tongue. Dual density PU midsole offers support and cushioning to reduce foot fatigue. Heel X-2(tm) offers cushioning, energy return and pressure relief in high impact areas. TPU shank plate provides torsional stability and support when carrying heavy loads along with articulated forefoot flex notches that enable the foot to flex comfortable while protecting against sharp rocks and uneven surfaces on the trail. Exclusive Vibram(R) outsole provides superior traction and stability on various types of rugged terrain.