Nylon Imported LION BRAND-Stress Relief Gloves alleviate pain without restricting your movement They are lightweight and fingerless with the comfort of support to the vital areas of the hand and wrist Made of tightly woven spandex/nylon fabric they help keep your hands warm enhancing blood flow and massaging muscles Measure across your palm to determine size Small is 2 1/2'-3' Medium is 3'-3 1/2' Large is 3 1/2'-4' THESE GLOVES RUN SMALL, PLEASE SIZE UP