The result is a shoe that can handle any terrain you might encounter while still feeling light on your feet. The Challenger ATR 6 also features a breathable mesh upper made with recycled yarns, ensuring that your shoes wont weigh you down. The tongue is gusseted for a comfortable and secure fit, and the laces are made from recycled materials for a sustainable design. Finally, the CMEVA foam midsole provides stable footing and absorbs impact for a comfortable ride whether youre on the trail or the pavement. The Hoka One One Mens Challenger ATR 6 Trail Shoes are designed for versatile traction and smooth transitions between different surfaces. The outsole features zonal construction for optimised grip and weight, while the midsole geometry and outsole construction provide lightness on the trail and on the street. The breathable mesh upper is made with recycled yarns, and the tongue is gusseted for a comfortable and secure fit. The laces are made from recycled materials, and the CMEVA foam midsole provides stable footing and absorbs impact.