The Nathan QuickStart 3.0 4 Liter Hydration Pack offers a versatile, lightweight solution for runners and outdoor enthusiasts seeking comfort and convenience. With a 1.5-liter hydration bladder and 4 liters of total storage, it provides ample space for water, nutrition, and essentials. Designed with adjustable straps and breathable materials, this pack ensures a secure, comfortable fit for short runs, hikes, and everyday adventures.
Size Guide
| SIZE | Chest |
|---|---|
| S | 33 - 34.5" |
| M | 35 - 37" |
| L | 38 - 40" |
| XL | 41 - 43" |
| SIZE | Chest / Bust |
|---|---|
| XS | 29 - 31.5" |
| S | 32 - 34.5" |
| M | 35 - 36.5" |
| L | 37 - 38.5" |
Chest — Measure around the fullest part of your chest or bust while wearing your typical running layers. Keep the measuring tape level and snug, not too tight.
If your chest measurement falls between two sizes, Nathan recommends you size up for optimal comfort and mobility.
