Spinlock Performance Kneepads – Life Raft and Survival Equipment, Inc.
Ninja MTB Hooligan Knee Pad - Heavy Duty Knee Pads for Men or Women - Great Protection for Mountain Bike or BMX Riders - Sleeve with Knee Pads for Mountain Biking (L) - Walmart.com
Milwaukee Performance Kneepads, 1 Pair - Anderson Lumber