Versatile shoe for a wide variety of activities, from speed hiking to light trail running. Durable yet smooth bluesign Polyester upper, GORE-TEX membrane keeps water out and the foot dry. The BOA Fit System allows you to make instant micro-adjustments for effortless precision that better connects you to your gear getting you further, faster. The BUGrip outsole allows you to maintain the pace and keep the stride relaxed through whatever condition winter is throwing at you!