Rollerblade - Astro 7 (Black/Red) - Men's: Breathable supportive and comfortable, this skate provides a customized fit in 2 seconds with the new TFS MICRO closure system. TFS MICRO Closure System: With a simple push of a button and turn of a dial, a thin cable provides an instantaneous, effortless closure for the perfect fit. Soft touch adjustable locking buckle. Alu-Tech frame with max wheel size 84mm. Wheels: Replay 80mm/82A with ABEC 7. Brake: On skate.