A joint project between Rivendell Bicycle Works and Cardiff Ltd. By choosing tough goat skin and not adding padding results in a glove that gives the rider a more natural and direct feel to your bike instead of a "fistful of muffin" Vegetable tanned goat leather Responsibly-sourced British wool back Velcro closure Slit in the index finger allows you to pop open your pointer finger to use a touch screen or other tasks that require high dexterity Measure your palm circumference of your dominant hand at widest point. Usually that is right below the knuckles. Make a loose fist when measuring. If you don't have a tailor's soft tape, use a piece of string, make a mark and measure the string with a ruler 19-20cm (S), 20-21cm (M), 21-23cm (L), 23-24cm (XL)