Comfort? Check. Support Check. Speed Check. Velocity Nitro 2 women's running shoes are the perfect choice for anyone who hasn't run with PUMA lately. They're PUMA 's flagship running shoe for a reason. The NITRO FOAM cushioning is lightweight and responsive for effortless running over any distance. The advanced fleece technical mesh upper features smooth scuff details and the TPU heel enhances stability as well as proprioception. Stability and durability are optimized in this neutral running shoe thanks to the PUMAGRIP rubber forefoot and rubber heel.