Nitro Foam is PUMA's advanced technology providing superior responsiveness and cushioning in a lightweight package

Rainbow Paint Splatter Detailing

Mini crew length offers the perfect amount of ankle protection from rocks

Button-Down4 Pockets

Energy Arc system with Forked Carbon Plate design saves weight and aids in a smoother toe-off

Brooks | Momentum Thermal Tight 2.0 | Men's | Black/Speed Logo Ruthie's Run Nitro Foam is PUMA's advancedFine tuned fit, features, and warmth for the coldest temperatures Optimized for cold weather GO2 warm thermal fabric delivers warmth and comfort for the coldest days. Fitted design A fine tuned fit ensures the thermal material moves with you. Convenient storage Side drop in pockets and zippered back pocket help keep belongings safe on the run. More Details: Internal Drawcord 29" inseam Fitted Reflective branding Secure zip pocket at center back