IRIS skates comes with a heat mouldable boot and a quick release ratchet buckle.Brand new to the skate line comes the 110 mm Wheels. These skates are one of the largest in the line and features four wheels at 110 mm that will give you a super smooth and super fast roll. The best part of this skate is the lacing system. These skates are using the speed lace system making one of the best skates out on the market today. Skate Type: Race, Wheel Configuration: 110 mm Wheel Durometer: 90 A, Frame Material: Aluminium, Maximum Wheel Size: 110 mm, Skate Frame Material: Performance Composite, Skate Closure System: Speed Lace System, Skate Cuff Height: High, Brake Included.Supreme 110mm/90A wheels maximize roll, grip, speed and wear. They are a true upgrade in performance and make a difference in the skate experience. 110mm is the 'go-to' size for many looking to upgrade or elevate their skating. ABEC 9 bearings are fast, superior and facilitate additional speed. The wheels are mounted on our low profile frame to lower the center of gravity. The cast aluminum frame is sturdy with a great strength to weight ratio and helps provide a balance of speed and control. Benefits Of Inline Skating Improves coordination, agility & dynamic balance (balance while your body is in motion) Increases Core Strength- Postural, abdominal, and back extensor muscles, get a great workout while skating. Builds Aerobic Exercise Benefits- increases your heart rate and gets your lungs working, both components in aerobic exercise. Builds Anaerobic Exercise Benefits- Inline skating provides anaerobic benefits, such as muscle strengthening and toning. Weight Loss and Maintenance- Inline skating at 10mph on a regular basis not only burns about 6 calories a minute, or 360 calories an hour, but also turns fat into muscle - a double benefit.