With the seemingly impossible combination of increased stack height, and lower weight, the updated Hoka Challenger ATR 7 in FeldsparBirch is a road focused, all terrain running shoe that lets you take the trail, and the pavement, equally in your stride. The Challenger 7 has improved cushioning thanks to a larger layer of CMEVA under foot, which not only provides nonstop comfort, but helps to move you through your transition for a smooth stride.The engineered mesh upper is reimagined with recycled content, for improved breathability as well as a comfortable, locked in fit.An improved lug pattern in the outsole gives you a smoother ride across paved surfaces, without sacrificing traction across the trail. DURABRASION rubber extends longevity as well as ensuring multi surface grip. Weight 207g 7.3oz Stack Height 31 26mm Heel drop 5mm Lug depth 4mm Extended heel pull Engineered mesh upper Compression moulded EVA midsole Durabrasion rubber outsole Vegan Contains recycled materials. Designed for ultimate comfort with a simplified mesh upper and soft foam, the Challenger 7 has been reimagined for improved performance, look and feel. With an increased stack height that adds cushioning and a textured rubber outsole for additional traction, these sneakers are able to tackle even the toughest terrain. Street-approved. Trail tested. Built at the intersection of road and trail, the new Challenger 7 has been completely reimagined from the ground up. Combining a simplified mesh upper with a soft new foam, we've increased the stack height for a plusher feel and added proprietary rubber to the bottom unit, along with a reimagined outsole design for the best all-terrain ride yet. Inspired by gravel tires, we've cued up smaller, tightly spaced lugs in center and larger, more aggressive lugs at the perimeter designed for improved traction on uneven terrain.