M: (UK 7-8½ (EU) 39-41
L: (UK) 9-11 (EU)42-44
XL: (UK) 11½-13 (EU) 45-47
These rechargeable heated insoles are comfortable, versatile, and easy to use. They come in four sizes, and can be easily cut to size if they are too big - just make sure you cut around the sizing markings on the toe and don't cut the heel, where the battery is located!
"product works well"
Reviewed Thursday, March 12, 2015