Nathan Sports QuickStart 3.0 4 Liter Hydration Pack - Light Blue / Deep Blue Clifton 9 Syntetika: The synthetic upper is

Syntetika: The synthetic upper is made of synthetic materials that are lightweight

The Fresh Foam X midsole cushioning is built for smooth transitions from landing to push-off

- The bag consists of polyester fabric

The Halo Sport Visor has a Halo Headband built into the visor

Nathan Sports QuickStart 3.0 4 Liter Hydration Pack - Light Blue / Deep Blue Clifton 9 Syntetika: The synthetic upper isElevate your run with our minimalist pack, crafted from premium, durable materials and designed with meticulous attention to detail. It's the ultimate hands free hydration solution for runners and outdoor enthusiasts of all levels. Specs & Features Hydration: 1. 5L NATHAN x HydraPak QuickStart Bladder with Push Pull Bite Valve for easier drinking and removal for cleaning Fit: Unisex One Size Fits Most Designed with adjustable front and side straps to