What are the lightest weight hydration packs on the market?
| Product ⇅ | Price ⇅ | Water Capacity (L) ⇅ | Reservoir Size (L) ⇅ | Pack Volume (L) ⇅ | Weight (g) ⇅ | Bladder Material ⇅ | Tube Length (in) ⇅ | Pocket Count ⇅ |
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HydraPak HydraPak Velocity 1.5 L Hydration Reservoir
US
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£28.78 ≈ | — | 1.5 | — | 125 | TPU; ABS; POM; PP; EPDM; Silicone; 304SS; TPU Coated Nylon Fabric | 36 | — |
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The HydraPak Velocity 1.5L is HydraPak's lightest reservoir series, built with ultralight minimalist materials and a wide Slide-Seal opening for quick refills and easy ice adding. It uses the Comet bite valve and a Plug-N-Play connector to separate the tube from the reservoir for filling and cleaning. It's suited for low-profile hydration needs like running, hiking, and bike rides where keeping weight down matters. ★ Ideal forFor the lightest hydration pack category, this reservoir weighs 125 g for a 1.5 L capacity and includes a 36 in non-kinking tube, making it a low-mass way to carry water with a compact 1.5 L volume.
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HydraPak HydraPak HydraSleeve Reservoir - 3 Liters
US
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£52.97 ≈ | — | 3 | — | 308 | Nylon, EVA, TPU, PP/POM, ABS, Silicone | — | — |
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This is an insulated 3-liter HydraPak hydration reservoir designed to keep water cooler for longer while you move. It uses an insulated HydraFusion drink tube with a high-flow Comet valve and includes a roll-top style closure with lash points for securing it to gear. Best suited for outings where you want an insulated reservoir rather than a bare, non-insulated bladder. ★ Ideal forIt's specifically a 3-liter insulated HydraSleeve reservoir that weighs 308 g, making it a practical option when you want longer-lasting water temperature without switching to a larger, heavier system.
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Gregory Gregory SWIFT 16 H20
US
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£75.69 ≈ | — | 2 | — | 531 | — | — | 3 |
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The Gregory Swift 16 H2O is a lightweight 16L day-hiking hydration pack designed for short, minimal-gear outings. It includes a 2L Hydro reservoir and has organized pocketing (3 external pockets) plus an integrated hydration compartment with a one-handed SpeedClip-style connection. It's suited for people who want a compact pack with easy water access while moving. ★ Ideal forFor the lightest hydration packs, its 531 g weight and 16L volume make it a very low-mass option while still carrying a built-in 2L reservoir. |
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CamelBak Ultra Pro (List Price $120)
US
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— | — | 1.5 | — | 150 | — | — | 13 |
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The CamelBak Ultra Pro is a lightweight running hydration vest with a 6L carrying capacity and compatibility for a 1.5L hydration bladder. It includes two 500ml Quick Stow soft flasks and uses a 3D Micro Mesh interior for breathability. It also has 13 pockets for carrying essentials while running. ★ Ideal forIt's exceptionally light (150 g) for a vest that still supports a 1.5L reservoir and 6L total capacity, making it a strong pick among the lightest hydration packs for runners. |
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Nathan Crossover 5 Liter Hydration Pack
US
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£53.96 ≈ | — | 1.5 | — | 411 | — | — | 5 |
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The Nathan Crossover 5 Liter Hydration Pack is a lightweight, bounce-free hydration pack designed for running and multipurpose outdoor use. It includes a 1.5L bladder with a magnetic hose clip and a large main zippered pocket plus multiple accessible pockets for gear. ★ Ideal forWith a stated weight of 411g with bladder and a 1.5L reservoir, it's a light option among hydration packs designed for running while still carrying a full bladder and storage in a 5L pack volume.
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