We didn't mess around with the design of the NEO kneeguards! A full Kevlar impact panel resists punctures, tears, and abrasion, covering multiple layers of foam and rigid knee protection. Crazy comfortable, with a virtually non-existent break-in period.
**Currently out of size Small**
With your leg held straight, measure 3 inches up from the top of your kneecap. At that point, measure around your thigh:
Small: up to 16 inches
Medium 16 to 17.5 inches
Large: 17.5 to 19 inches
X-Large: 19.5 to 21 inches