The Blizzard Thunderbird SP 7.7 is an awesome option for beginner to advanced intermediate level skiers looking to get off of rentals. TrueBlend wood core use blended hard woods natural stability underfoot but adds a lightweight and forgiving feel in the tips and tail. The sidewall adds torsional stiffness for better edging while you're still dialing in your style and technique. Enhance your time on the slopes with the Blizzard Thunderbird SP 7.7. TrueBlend Core- A blended poplar and beech core that dampens vibrations., Sandwich Composite Sidewall- Lightweight sidewall construction for torsional rigidity., Tip/Waist/Tail Widths: 123/77/105mm (@167cm), Actual Turn Radius @ Specified Length: 14m (@167cm), Warranty: One Year, Type: Frontside Skis (