Hoka One One CHALLENGER 8 GTX delivers waterproof, trail-ready performance with a breathable engineered-mesh upper and a high-traction rubber sole for varied terrain. Key attributes: Black | Engineered mesh | Waterproof (GORE-TEX® membrane) | Breathable upper | Durable, anti-slip rubber outsole | Full lace-up closure for a precise fit | Heel pull tab for easy on/off | Reinforced toe and sides | Contoured, slightly geometric sole profile | HOKA logo | Dimensions & fit: Sole height (highest point): 5.5 cm | Composition & care: Engineered mesh upper | GORE-TEX® membrane | EVA midsole | Rubber outsole | Textile lining