Closely spaced tread blocks provide a smooth ride on hard pack surfaces with siped knobs that are compliant climbing over rocks. Specially formulated rubber compound is flexible yet durable for harsh conditions found in Desert Cross Racing. Radial 8 ply construction. K3D Armor - Aramid reinforced composite material is placed in 3rd cord and sandwiched between two layers of nylon that wraps around shoulder / sidewall for added puncture protection. Arisun is part of the Allied Wheel Components family of brands which also includes Raceline, Kansei, Nomad, and Mobelwagen Wheels.