BIG SAVINGS!!! PLAY LIKE A PRO WITH THE 2008 Miken Red Burn High School College Baseball Bat 100% composite construction Extended Sweetspot Design. Helix Technology-Continuous inner Weave Aerospace grade carbon fiber produces the industry's largest sweetspot. Ballistic cross linked System-Provides 300% higher elongation for increased resilience at impact, superior durability and unmatched barrel rebound. BESR Certified Revolutionary Helix Aerospace Grade Carbon Fiber Preferred Thin Handle