Wells Lamont Synthetic Leather Work Gloves, All Purpose, Medium (7671M) Palm: 60% nylon, 40% polyurethane. Back: 96% polyester, 4% spandex. Thumb Back: 80% cotton, 20% polyester. Imported Protect your hands whether youre working or playing. Synthetic leather palm is lightly padded for additional hand protection. 4-way stretch fit spandex back for better flexibility. Designed to easily slip on and off and has a Terry cloth thumb back to wipe your brow. Wells Lamont - Stubborn About Quality since 1907.