Jam, Spin or Speed Skate with the top rated Primo quad roller skates. Be the star of the rink, dancefloor, arena or neighborhood with the sleek and aerodynamic lace covered Primo boots. Primo Roller Skates feature high quality leather stitched sole with leather hybrid upper and lace lock and padded liner. Our lightweight King plate bar is stylish and sturdy, and our adjustable toe stops and urethane cushions and aluminum trucks help provide control so you can race, dance, glide, and dominate your game. Specially designed Kemistry Aspiro 62mm urethane wheels are fast and agile, allowing for quick action and control. Keep your speed rolling with the included Bevo Silver-5 Speed Rated chrome bearings. ROLLER DERBY ELITE Primo X Jam Roller Skates Feature: BOOT Leather stitched sole with Elite Band footbed technology and aerodynamic lace cover UPPER Hybrid leather upper with Custom Comfort Heel Lock and comfort padded liner CHASSIS King Fiberglass Chassis with Adjustable toe stop and Aluminum Trucks WHEELS AND BEARINGS Kemistry Aspiro 62mm race wheels. RR7 Bearings. SIZING Based on US Men's Shoes Sizes; We recommend sizing down 1/2 to 1 full size from your normal shoe size. Model # RE331