Features: 

• Adjustable Size
• Wheels: 64mm
• Durometer: 82A
• Bearings: Abec7
• Material:  made using Double Shock Absorbing System
• The rollers are equipped with a luminous wheel that lights up when set in motion.
• Three-step fastening - buckle, laces, strap
  

Adjustable skates:

The skate size can be adjusted by pressing the adjustment button on the side and sliding out front part of the shoe shell.