FLOSO Mens Thermal Fingerless Gloves (3M 40g) Acrylic, , Our mens Thinsulate gloves are of the finest quality. The Thinsulate lining in the gloves provides warmth and additional comfort. Thinsulate gloves provide thermal warmth, are light in weight and comfortable so you can wear them throughout the day. Fiber contents for outer 100% acrylic and inner 65% Polypropylene, 35% Polyester.