The Liberate NITRO 2 is a fast option for your short distance runs and races.
It's lightweight, flexible, and leaves you free to push the limits.A simplified mono-mesh upper is teamed with a firmer NITRO foam that's more responsive than v1, resulting in a shoe that's built for a tempo run and distances up to a half marathon. Men's Puma Liberate NITRO 2's Running Shoes, Black, Size 40, Shoes FEATURES & BENEFITS NITRO: Advanced nitrogen-injected foam designed to provide superior responsiveness and cushioning in a lightweight package PUMAGRIP: Durable performance rubber compound designed for all-surface traction Lightweight mono-mesh upper Reflective design elements TPU heel spoiler Cushioning level: Low Heel-to-toe drop: 6mm Best for: Neutral pronators Runner type: Frequent.