Description: For athletes who need a high-performance, protective and durable shoe, the Single-Track is for you! ; Unleashed Performance(Neutral) engineered platform. For endurance runners who want to go the distance, the Single-track is a neutrally designed shoe that give you cushioning and comfort. ; Breathable, abrasion-resistant, tight weave mesh upper. ; External tongue scree-collar. ; Abrasion-resistant, synthetic support overlays. ; C-Delta metatarsal fit system. ; Ortholite Northotic footbed. The newly designed Northodic is a multi-density footbed that provides enhanced stability, support and cushioning on the trail. ; X-Dome Cradle provides high-impact heel support cushioning and rebound. X-Dome functions as a spring that both cushions during the foot plant and propels the foot into subsequent stride stages. ; Dual-density EVA X-Dome Cradle heel cushioning and support system propels the foot from heel-strike into the subsequent stride stages. ; ESS Snake Plate forefoot protection. The patented Snake Plate consists of a plate that winds back and forth in the forefoot, allowing the foot to flex in a natural manner while delivering protection and rigidity. ; Outsole made of Tenacious Grip, a high-abrasion sticky rubber designed for maximum off-road traction that will also withstand the rigors of rough off-trail surfaces, wet or dry. ; Features NorthFit technology. The mission of NorthFit is to scientifically outfit the outdoor athlete with the most precise fit between the human foot and a footwear last, as they both relate to the demands of the specific activity for which the shoe is worn. ; L/TNF-013 Last: women's specific semi-straight stability last that evens out the pronation cycle with no-slip fitted heel and medium volume instep and forefoot. ; Weight: 11 oz ; Product measurements were taken using size 8. Please note that measurements may vary by size.

Description: Tackle those wet, unforgiving trails with the Ultra 105 GTX XCR. This resilient trail runner delivers a cushioned ride for over pronators and is ready to take on the toughest of terrains! ; Torque Control (motion control) engineered platform. Low arches got you down? With severe pronation, finding your perfect sole mate can be a challenge, even for veteran runners. Torque Control footwear is designed to provide optimal pronation guidance and maximum stability for runners with wildly flexibly ankles. ; Upper consists of GORE-TEX Extended Comfort Range waterproof, breathable membrane, bomber synthetic-leather and breathable open sandwich-mesh. ; Breathable open sandwich-mesh tongue. ; Molded rubber toecap for added protection. ; Mesh lining. ; Removable Northotic ergonomically designed multi-density footbed provides enhanced stability, support, and cushioning on the trail. ; Compression molded EVA midsole. ; Heel and forefoot X-2 cushioning with medial posted heel and midfoot. X-2 technology ensures a well-cushioned ride and enables an energy-efficient stride. ; Injection-molded TPU shank plate. ; Durable UltrATAC rubber outsole, an all-terrain, all-condition rubber outsole for excellent wet/dry traction for running on roads, scrambling over scree, or for everyday use, is paired with a protective ESS forefoot Snake Plate that winds back and forth between the medial and lateral sides of the foot, providing superior, flexible, push-thru protection. ; Features NorthFit technology. The mission of NorthFit is to scientifically outfit the outdoor athlete with the most precise fit between the human foot and a footwear last, as they both relate to the demands of the specific activity for which the shoe is worn. ; L/TNF-003A last: Semi-curved stability last with fitted, no-slip heel and medium volume instep, forefoot volume and width. ; Weight: 12 oz ; Product measurements were taken using size 7. Please note that measurements may vary by size.