Men's Techknit RNR-1 Trainer L-1 allowing your feet to move

allowing your feet to move naturally and strengthening your connection with any training surface

Surge NRG+ enhanced with supercritical foam for ultimate comfort

The 21mm heel-to-toe drop — the highest in TYR's footwear range — positions the ankle for optimal lifting mechanics: deeper squat depth

and a TPU stability wrap for enhanced support

- Carbon rubber outsole for maximized traction and durability

Men's Techknit RNR-1 Trainer L-1 allowing your feet to moveAll day comfort and versatility. The Techknit RNR 1 Trainer features SurgeNRG+ enhanced with supercritical foam for ultimate all day comfort and durable support for any movement. The Techknit 3D knit upper construction is also a key feature of this shoe, as it provides the perfect amount of breathability to keep you moving comfortably.