STRAUSS Stretch-Back Gym Gloves with Leather Palm, (Medium) Heavy duty StretchBack extends across fingers and back of hand to enhance ventilation, flexibility, comfort and fit. Leather Palm - Protects hand and maintains a strong feel on the bar. Double Stitched - For enhanced durability. Wrap-around thumb protection cushions and covers the inside of the thumb with a second layer of leather to protect against abrasion. Fully adjustable wrist closure