Hoka Men's Challenger ATR6 GTX

US sizing As is typical for Hoka One One, the Challenger boasts ample cushioning. It tells a lot about the brand that in the Hoka One One lineup this is a “medium” cushion model. The Challenger is a highly versatile shoe, as it can cover anything from trails to hard surfaces. Neutral running feel Waterproof Gore-Tex model Heel to front drop: 5 mm CMEVA mid sole absorbs shock Outer sole with different rubber compounds for optimizing grip Light protection at the front The surface is made of recycled plastic (Unifi Repreve) and the laces are also made of recycled material Tread height 4 mm