Hydro Flask Journey Series 20 L Hydration Pack
Fully Adjustable & Waterproof
| 3 Liter Water Capacity |
Small/Medium
*** Water bag and line not included ****
Hydroflask's revolutionary Cold Flow System includes the first ever insulated reservoir, neoprene reservoir sleeve with reflective lining and articulated back panel to keep water cold, or above freezing, for over 4 hours