Yaxtrax believe that snow and ice should not affect your performance and active lifestyle outdoors which is why they have created these innovative pro ice grips. They feature 360° of grip thanks to a patented skid lock coil system which allows you to move across snow and ice safely and effectively. They are made using a natural rubber blend which is flexible and durable, allowing you to move almost naturally in tricky conditions.these innovative ice grips use abrasion resistant steel coils rather than spikes to improve grip on snow and ice. This feature is combined with an ultra lightweight design to create a comfortable and practical sole. A removable performance strap ensures that they remain secure and solid on across your footwear whilst a heel tab makes them easy to get on and off.featuresperformance ice traction device from yaxtraxpatented skid lock coil system creates 360° of grip to ensure that you remain safe and comfortable on snow and ice.natural rubber blend provides a comfortable and flexible fit.abrasion resistant 1.4m steel coils used instead of spikes to improve traction on ice and snow.ultra lightweight design creates a comfortable and practical sole.removable performance strap enjoy a secure and comfortable fit.heel tab makes getting them on and off easy.sizesapprox shoe size ukapprox. Shoe size eufootprint circumferences3.5 6.536 4058 64cmm6 939 4364 72cml9 11.543 4672 76cmxl11.5 1346 4976 82cm