Precision Fuel & Hydration Flow Flask 120 Men's Shirts Nike's dual-density midsole has ZoomX

Nike's dual-density midsole has ZoomX foam stacked on top of ReactX foam—13% more responsive than previous React technology—for a comfortable ride

An odour-resistant finish keeps it fresh between washes

The tights feature wide waistband with adjustable drawcord for optimal fit and comfort during intense workouts

It's designed with advanced reflective details on the chest

Precision Fuel & Hydration Flow Flask 120 Men's Shirts Nike's dual-density midsole has ZoomXDesigned for use with Precision's Flow Gel, the Flow Flasks make it easy to track your carb intake and hit your numbers. The Flow Flask 120 (which holds 120g of carb) is designed for shorter events and training sessions.