The Norco Compression Gloves are sold individually. The product #s for each are: Left Hand - NC532 and Right Hand - NC533. to get the correct size you measure the circumference of your palm excluding the thumb.
Extra Small fits: Less than 7 inch hand circumference.
Small fits: 7 to 8 inch hand circumference.
Medium fits: 7.5 to 8.5 inch hand circumference.
Large fits: 8 - 10 inch hand circumference.