- Multi-EDGED shoulder Rib and center blocks - contributes to increased snow traction - TBR compounds - contributes to high casing durability - closed shoulder Slots - contributes to Wear life - stone ejector - Helps protect against stone drilling to protect belts and Enhance casing durability - Dual sidewall protector - Resists cuts and abrasions - stepped block Edges - contributes to increased snow traction - Aggressive off shoulder Design - contributes to increased snow traction - Interlocking zigzag grooves - contributes to increased snow traction - stepped block Edges - contributes to increased snow traction - Aggressive off shoulder Design - contributes to increased snow traction - Interlocking zigzag grooves - contributes to increased snow traction