SIMS ATV 2025The ATV rides on SIMS MOD 3 Core, a combination of poplar wood native to North America and high strength to weight ratio bamboo with two parallel bamboo stringers running tip to tail under the hole pattern. Two carbon stringers, our Double I Carbon Wide layup, run lengthwise outside the bamboo stringers. We top the ATV with our Tri Tex fiberglass laminate, our most advanced matrix used on Sims top end boards. Combined together these elements produce