Women's Cloudboom Strike Black / White altra Engineered with an aggressive forefoot

Engineered with an aggressive forefoot rocker and ultra-responsive dual-density PEBA midsole with snappy carbon fibre plate

It's ready to connect

One in the back for hydration

And the motion-inspired design reduces friction for zero distractions

- Contributes to electrolyte balance

Women's Cloudboom Strike Black / White altra Engineered with an aggressive forefootBuilt for marathons. Race day ready. This road runner is ultra responsive and ultra cushioned. Cushioned Bounceboard Made using ultra responsive Helion HF hyper foam, the shoes innovative Bounceboard construction propels you forward with power. A removable layer of plush cushioning, it maximizes energy return for a bouncy feeling underfoot all while abiding by stack height regulations. A cushioned ride, ideal for long races. Carbon fiber Speedboard