Hoka One One Rincon 4 Trainers deliver ultra-lightweight cushioning and a breathable mesh upper designed for fast, everyday running and active use. Key attributes: Gray | Grey | Textile | Ultra-lightweight construction | Breathable air mesh upper | Hyper-cushy EVA midsole | MetaRocker™ for smooth transitions | Rearfoot-focused Active Foot Frame™ for stability | Durabrasion rubber outsole for traction | TPU toe cap and heel for added durability | Recess-ready rubber sole | EVA sockliner for underfoot comfort | Bungee lace with hook-and-loop top strap closure | Foot-hugging mesh upper | Reflective details | Low-profile running silhouette | Durable TPU toe cap | Composition & care: 84% Textile | 16% Synthetic | 96% PET linings | 30% Sugarcane EVA | EVA sockliner | Durabrasion sticky rubber | TPU toe cap and heel | Breathable air mesh (100% yarns)