Roller Derby have updated the popular Viper to the M-4. This new Retro style low cut skate is ideal for beginner & intermediate skaters of all ages. The new Viper Speed RTX Frame with Action Control System ensures you experience the maximum control for this new skate. This boot is also a preferred skate for the Roller Derby Sport. Features:
- Deluxe Speed Profile Boot with Comfort Padding and Reinforced Support
- Full Lace System Closure with Velcro Power Strap
- RTX Pro Series Frame
- 58mm x 40mm MAG Core Urethane Wheels
-Abec 5 Bearings FIT - We recommend you order your normal shoe.