Shaft Lightweight, solid aspen wood core. 10-ply aircraft birch veneer laminate sides for added strength. Paddle Fins machined to airfoil shape. Extra light aspen fins. Sides: Reinforced with fiberglass to protect against impacts. Front Fin: Fiberglass wearband protects edges against chipping. Bottom Fin: Kevlar wearband protects edges against wear and breakage. Blade Glass-wrapped, five-ply ash for strength and stability. Kevlar wearband along blade bottom increases abrasion-resistance. Pro Patterns CUJO Lie: 14, Mid Open curve, Available in Left/Right. Khabibulin Lie: 15, Heel curve.