Maintaining its status as one of the lightest trail running shoes ever made, the third generation Norvan SL is more durable, comfortable, and supportive. The abrasion-resistant, hydrophobic Matryx® Micro upper delivers outstanding durability, fit, flex, and breathability for minimal weight. A knit collar seals out debris and integrates with the tongue for a fit that wraps the foot, and a pocket tucks away the laces. The Vibram® Megagrip outsole utilizes LITEBASE technology to deliver durable performance across a range of conditions while shedding every gram possible.