Hoka One One Rincon 4 Trainers deliver ultra-light cushioning and breathable support for active days. They pair a foot‑hugging mesh upper with a hyper‑cushy midsole for smooth, responsive movement. Key attributes: Black | Mesh | Ultra-light cushioning | Breathable upper | Responsive midsole | Stable heel-to-toe transition | TPU toe cap and heel | Bungee lace with hook-and-loop top strap | EVA sockliner | Durabrasion sticky rubber outsole | MetaRocker™ | Rearfoot-focused Active Foot Frame™ | Foot-hugging mesh upper | Durable toe cap | Recess-ready rubber sole | Reflective details | Composition & care: 84% Textile, 16% Synthetic | 96% PET linings | 30% Sugarcane EVA | TPU | Durabrasion sticky rubber | EVA sockliner