Glacier Glove designed their Guide Full Finger Gloves to fit and feel as natural as possible so you can keep your hands covered, warm and protected. These gloves are constructed from quick-dry material, and features a genuine leather palm. The improved knuckle design helps prevent hand fatigue. Sizing: X-Small - 6" to 6 1/2". Small - 6 3/4" to 7 1/4". Medium - 7 1/2" to 8". Large - 8 1/4" to 9." X-Large - 9 1/4" to 10". XX-Large - 10 1/4" to 11." Please Note: Hold fingers together and measure your right hand around the knuckles with your hand flat. Do not include thumb.