Rollerblade - Lightning 6 (Grey/Black) - Men's: Intended for high level fitness-oriented skaters who want maximum comfort, the best technical features and maximum performance from their skates and themselves. PFS PROfessional Lite features Coolmax(R), breathability, Lycra slide for easy foot entry, and Lite Auto Shaping memory foam that provides great support and conformability and returns to its' original thickness/shape when there is no foot compression on it. Professional Footbed features a shock absorber in the heel, vents for breathability, anti-bacterial surface treatment, terry cloth finish for added comfort, and anatomic insoles with two different materials: one structering base material, stiffer at the rear and one surface material for comfort. 2 powerstrap and adjustable locking buckle closure system. Aluminum frame, developed by Rollerblade, is very light and performance. It can be adjusted laterally to customize the boot-frame alignment for different skating styles. 90mm/84A Rollerblade wheels. ABEC 7 bearings. Shock eraser brake is on skate.