These are low quality gloves, the "thinsulate" is not like other products I have that use this material.
The first pair were Medium/Large - I could not get them on one finger of my normally Medium hands.
I returned them for a pair of Large / XL which are barely bigger. One fits the other does not - they are clearly different sizes, even though they came strung together. Manufacturer with poor quality control.
Waste of money, can't be bothered to return. Avoid.