Boot Semi-Soft Elite Level Boot with memory foam padding Frame Hybrid Series Aluminum Bearing Bevo Gold-7 Race Rated Take your skating to the next level with the all-new Roller Derby Q-84 Inline Skate. This skate offers superb comfort and a superior fit with an elite boot and memory foam padding. The advanced strapping will give you excellent stability and confidence as you skate. With 84mm wheels, these skates are made for recreational and fitness skating. The Q-84 is the perfect intermediate inline skate to help you reach new goals.