adidas Running - Nova TR 2005 (Burnt Orange/Dark Slate/Pewter) - Men's: The most feature-rich trail shoe at its price point offers a rugged, abrasion-resistant mesh upper, adiPRENE(R) in the heel, 3-D TORSION(R) and a carbon rubber and TRAXION(R) outsole. Abrasion-resistant mesh for durability and protection. TORSION SYSTEM for midfoot integrity. adiPRENE(R) provides protection from harmful impact forces. TRAXION(R) outsole for maximum grip in all directions.