Bator Mittens are waterproof gloves made from 100% polyester with a polyurethane coating, featuring a fleece lining and elasticated wrists for a secure fit. They offer a waterproof rating of W1 for protection against light moisture and a temperature rating of T2 for moderate temperatures. Size measurements are as follows: Small (18 cm length, 11.75 cm width), Medium (19 cm length, 12.5 cm width), Large (20 cm length, 13.25 cm width). Consider sizing up if you're between sizes.