adidas Running - adiStar TR (Light Silver Metallic/Laser/Black) - Men's: A well-cushioned running shoe designed for under-pronators to neutral runners. Ground Control System in the heel adapts to any uneven terrain to stabilize your foot. Highly responsive forefoot QuickStrike TraXion makes this the trail worlds most agile shoe. Nylon mesh upper for lightweight and breathability. Synthetic leather trims improve upper durability. Full forefoot adiPRENE plus for forefoot propulsion and efficiency. TraXion outsole for maximum grip in all directions. QuickStrike for best lightweight durability and flexibility. Shoe weighs 13.2oz.