CAMPLEADER Crampon 2015 Spring Traction Cleats for Snow & Ice Safe Protect Shoes (Ergonomic Fifth Edition) (Ergonomic Crampon Fifth Edition 2015, Large (US 8-10"/EU 41-44")) Pocket size; easy on/off to fit most foot wear: sneakers, boots, casual and dress shoes Extreme traction on snow and ice travel; ideal for ice fishing, hunting, walking, jogging, hiking, running, snow shoveling Provide 360 degrees of traction on cold surfaces for all direction stability Low temperature tolerance