Size S measures 18*11cm and weighs 85 grams. Suitable for shoes size 30-35M size size 20 * 12.5cm weight 120g. Suitable for shoes size 34-39L size size 21 * 13.5cm weight 130 grams. Suitable for shoes size 40-43XL code size 23.5*14cm weight 150 grams. Suitable for shoes size 44-47Manual measurement, if there is any error, please understand!Perfect For Winter-- Ice Cleats are perfect for outdoor worker ,elderly sports man, business people, anyone who want extra stability safety and traction. Strong Performs Under-40-C. This traction cleat fit boots, sneakers, casual and dress shoes Great for ice fishing, hunting, walking, jogging, hiking, running, snow shoveling, etcGood Quality--The material of the ice grips Made of TPE and non-slip studs. The traction spikes use the special Ground-gripping steel studs offer excellent traction on ice and snow, Easy to get on and off with light weight constructions and folds up to fit in your pocketEasy To Use-- Easy to get on and off. This traction cleat is easy on/off, Full foot slip protection with heel and forefoot cleats maintains traction throughout your natural stride while walking, lightweight fold up to fit in your pocket, purse or work-bagStrong-- Ice Cleats Strong Performs Under-40C, The traction spikes use the special Ground-gripping steel studs offer excellent traction on ice and snow. Snow Grips suitable for all kinds of sport shoes, climbing boots, double boots etc. Easily fitted over existing footwear with no buckles or straps, easy to get on and off