QUICKSTART 4 Liter Racing Hydration Pack - Lightweight Water Backpack for Running, Cycling & Outdoor Sports - Perfect for Marathon, Hiking & Adventure Activities

This 1.5 L hydration bladder pack provides a low-profile, minimalist way to comfortably wear your water and bring along other essential items on your journey.

• 1.5 L Hydration Bladder Included
• Front Storage for nutrition and phone - fits most large-format smartphones
• Main back zippered pocket for extra layers and other running essentials
• Adjustable front and side straps for dialing in a perfect fit
• Soft perimeter binding prevents chafing

Specs

• Weight without Bladder: 5.5 oz/156 g
• Weight with Bladder: 9.5 oz/269 g
• Storage Capacity: 244 cu in/4 L