Lightweight breathable comfortable fit ride freely, feel every mile sweat drips on the road, but your journey never stops.The cr4 tianyu lock-free bike shoes accompany every ride supporting your passion, step by step, through every challenge ahead. Key features etie lock knob system one-handed control, quick adjustment fine-tuning knob for precise fit relieves pressure on the instep and enhances arch support multi-zone breathable design strategically placed air holes for efficient heat and moisture release keeps your feet cool and dry even on long rides soft inner cushioning support delicate inner lining fits the foot shape perfectly thickened cushioning absorbs impact and reduces fatigue skin-friendly material soft, non-abrasive comfort all day rubber non-slip sole flexible rubber outsole with dense grip texture stable traction even on wet or uneven surfaces enhances pedal efficiency and ground adaptability lightweight performance streamlined microfiber mesh upper for excellent breathability approx. 585G 20g size 42 pair light yet durable fit recommendation standard fit, slim and long last design riders with wide feet or high instep are advised to choose one size larger follow the measurement guide to find your perfect size materials & specs part material description upper microfiber mesh lightweight breathable sole rubber non-slip & wear-resistant closure etie knob front-tightening design for stable fit weight 585g 20g 42 size pair balanced for performance note: slight ...