Nastia Beginner Hook and Loop Gymnastics Grip by US Glove. This Nastia beginner grip is a basic palm protector made of soft leather with hook and loop closures. Sold in pairs. US Glove sizing is different from grip to grip. Please make sure you're ordering the correct size for your grip! To order the Beginner hook and loop grips, take a measurement, in inches, from the wrist to the base of the fingers. Size Measurement XS 2 9/16" S 2 7/8" M 3 3/8" L 3 3/4" XL 4 1/4"