Women's Techknit RNR-1 Trainer Size (US):M(5.5) / W(7) the Valkyrie Speedworks runner is

the Valkyrie Speedworks runner is equipped with an anatomical toe box and the LaunchPX midsole that features a full length nylon plate

Peak performance

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

Equipped with an innovative stability strap

TYR’s L-1 allows for natural foot movement and added power

Women's Techknit RNR-1 Trainer Size (US):M(5.5) / W(7) the Valkyrie Speedworks runner isAll 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. Technology Techknit Engineered Mesh Surge NRG+ Foam enhanced with supercritical foam for ultimate response and