Durable overshoes with good elasticity Ground-gripping steel studs Easily fitted over existing footwear with no buckles or straps Stretch to fit size Non-slip studs offer excellent traction on ice and snow The material is flexible to -40° Suitable for all kinds of sport shoes, climbing boots, double boots etc. Color: Black + Yellow Material: Thermoplastic elastomer Please choose your Size: S : EUR: 30-33 12cm*17cm approx 113g (FOR KIDS) M: EUR: 34-39 13cm*20cm approx120g L : EUR:40-44 13.5cm*22cm approx130g XL: EUR:45-48 14cm*24.cm approx156g Manual measurement, slight error, please do not mind. Package include: 1 pair of Non-slip Studs Snow Ice Mud Cleat Crampons Overshoes