Our Armycrew Women's Knit Winter Fingerless Thumb Hole Long Arm Warmer is a perfect accessory to keep your hands and arm warm while allowing your fingers to move freely. Stylish arm warmer for both indoor and outdoor functions. Available in variety of colors. 1 opening for your thumb and 1 opening for your other fingers. You can wear it short up to your arm or long up to your elbow. Made of 89% Acrylic, 7% Polyester and 4% Spandex. Thick, soft and warm material. Easily stretchable. One size fits most.