The Louis Garneau Men"s Biogel RX Cycling Gloves provides a great grip and comfort for all day riding. The upper hand is made with 3D Mini-Mesh (85% Polyester/15% Spandex) fabric that reduces chafing and offers incredible breathability. The multilayer silicone palm with gel padding offers unbeatable comfort and is made with Amara (40% Polyurethane/60% Polyester) fabric that is extremely water resistant and durable. Ergo Air Zone provides ventilation for maximum airflow during your ride. Microfiber thumb absorbs excess sweat and drips. Ergonomically designed Velcro closures for the perfect fit. Sizing (Palm Circumference): S: 7-8", M: 8-9", L: 9-10", XL: 10-11", XXL: 11+".