With extreme abrasion resistance for tough jobs, these Mechanix Material4X FastFit Abrasion-Resistant Gloves for Men are constructed of seamless Material 4x microfiber, a redefinition of durability in synthetic leather offering increased abrasion and tear resistance. Reinforced thumb and index fingers further enhance the durability of the work gloves, and a perforated back enhances ventilation. These heavy-duty gloves also feature TrekDry for form-fitting breathable comfort and an elastic cuff for a secure fit that's easy to pull on and take off. Back: polyester/spandex. Lining: polyester. Machine wash. Imported.Manufacturer style #: MF4X-75. Palm: synthetic leather Back: 96% polyester/4% spandex and 94% polyester/6% spandex Lining: 100% polyester tricot Abrasion- and tear-resistant Material4X Reinforced thumb and index finger Breathable TrekDry for form-fitting, cooling comfort Stretch-elastic cuff closure Machine washable