XL Thick - Knee - 18-21in, Elbow - 12-14in 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. FEATURES Our Pad Packs are the industry leader for safety and protection. Design and craftsmanship proven in our Pro Series is used to optimize the fit, comfort, and durability of this pad set. 187 Killer Pads® is the brand trusted by the top skaters in the world. - Contoured form-fitting design cradles knee - Superior foam system absorbs hard impacts - Streamline shape and design increases mobility - Seamless interior finish provides ultimate comfort - Ballistic nylon with industrial - weight stitching ensures durability - Size specific caps create close contact with pad to minimize bulk Bought and never used. Great for roller skating, roller blading, skate boarding, etc