Hoka One One Rincon 4 Trainers combine ultra-lightweight construction with smooth cushioning for speed-focused running. They pair a breathable, foot-hugging mesh upper with rocker geometry for an efficient stride. Key attributes: Gray | Multicoloured | Textile | Ultra-lightweight | Smooth, hyper-cushy midsole | MetaRocker geometry | Rearfoot-focused Active Foot Frame for stability | Durabrasion sticky rubber for enhanced grip | Durable toe cap | TPU toe cap | EVA sockliner | Recess-ready rubber sole | Vegan | Foot-hugging mesh upper | TPU toe cap and heel | Breathable air mesh construction | Composition & care: 84% Textile, 16% Synthetic | 96% PET linings | 30% Sugarcane EVA | EVA sockliner | TPU toe cap and heel | Durabrasion Sticky Rubber | Air mesh (100% yarns)