Designed with the help of derby skaters, the RD Bumsaver will help keep you flying around the track no matter how hard, or how often, you get sent to the floor. It's specifically constructed to withstand the bumps and bruises of derby. Lycra ® body provides a cool and snug fit Removable shock absorbing EVA foam pads make them customizable & easy to wash Broad tailbone and butt padding to protect your most important assets Convenient small inside pocket for your mouthguard, ID, cash, etc. Light and flexible for total overall comfort Short leg length To ensure a perfect fit, measure circumference of your waist and match to the sizes listed below: JR 22 – 27 in S 26 – 30 in M 29 – 33 in L 32 – 38 in XL 36 – 42 in PRO TIP: If your measurements are in-between the sizes shown or you’re simply in doubt, we strongly recommend sizing up to the larger size. We have found over the years that customers do better when they choose the larger size. Triple Eight Roller Derby Bumsaver Shorts