CASF Men's Warm Lambskin Genuine Leather Gloves For Men Winter Driving Made of genuine lambskin leather, warm and stylish. Premium genuine leather, fingertips are fully lined and quick-adjusting buckle on the wrist for increased warmth, perfect for everyday dressing and cool for driving. Color: Black/Brown Size Information: Extra Small: palm circumference is less than 19cm(7.5inches); Small: palm circumference is 19-20.5cm(7.6-8inches); Middle: palm circumference is 20.5-21.5cm(8.1-8.5inches); Large: palm circumference is 21.5-22.5cm(8.6-8.9inches); Extra Large: palm circumference is 22.5-23.5cm(9.0-9.3inches) To determine your glove size, measure the circumference of your hand around your knuckles, excluding your thumb. Then pick your glove size based on your own measurements, which is very important for you to get a pair of suitable gloves, and thanks for your attention.