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This product ships from the United States
- A light and fast hydration pack perfect for 1-3 hour rides
- Hands-free hydration with magnetic ReTrakt hose return system
- Quick access jersey style pockets to access snacks or tools without slowing down
- Low center of gravity for optimal weight distribution
- Included 1.75L Hydrapak reservoir
- 3L of storage for extra food, clothing and tools
- Lightweight, ventilated materials
- Interior zippered pocket for a phone, keys or small essentials
- Sternum strap to stabilize and increase comfort on any terrain
- Tail light attachment to stay visible and safe

Built To Ride
Applying years of biking expertise, Thule introduces the Thule Vital Hydration Packs to help you get the most out of any mountain bike ride. These packs are constructed at the optimal weight to reduce muscle strain and designed with a low center of gravity to keep your bike handling at its best.

Keep Your Focus On The Trail
The Thule ReTrakt Hydration hose allows you to keep your hands safely on the bars, conserve energy and stay hydrated without slowing down. The unique magnetic design automatically returns to your strap and stays in place until you need another sip. Each bag comes equipped with a HydraPak reservoir to ensure you stay fueled and maximize your performance. Just choose the liter size that fits your needs and hit the trail.
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Jersey-style pocketsQuickly access nutrition, clothing or tools while riding without having to stop or remove pack. |
Hands-free hydrationMagnetic ReTrakt hydration hose automatically returns and stays in place to keep you hydrated without slowing down. |
3L cargo storageCarry extra food, clothing and tools with minimal bulk on 3L cargo storage with smart organization. |
Low center of gravityImprove bike handling and reduce muscle strain with optimal weight distribution thanks to the low center of gravity. |
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1.75L HydrapakStay hydrated on fast 1-3 hour rides with 1.75L Hydrapak reservoir. |
Lightweight, ventilated materialsMaximize uphill and downhill performance with lightweight, ventilated materials. |
Tail light attachmentStay visible in low light conditions with tail light attachment. |
Sternum strapStabilize pack and increase comfort on any terrain with the sternum strap. |
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Thule Vital Hydration Pack 3L | Thule Vital Hydration Pack 6L | Thule Vital Hydration Pack 8L | |
Color options | Obsidian, Moroccan | Obsidian, Moroccan | Obsidian, Moroccan |
Bag volume | 3L | 6L | 8L |
Reservoir volume | 1.75L | 2.5L | 2.5L |
Weight | 450 g | 520 g | 550 g |
Material | Nylon | Nylon | Nylon |
Dimensions | 21 x 8 x 37 cm | 22 x 9 x 44.5 cm | 23 x 10 x 44.5 cm |
Reservoir type | Hydrapak / TPU with baffle | Hydrapak / TPU with baffle | Hydrapak / TPU with baffle |
Soft-lined phone/sunglasses pocket | no | yes | yes |
Interior pump sleeves | 1 | 2 | 2 |
Expandable exterior storage | no | no | yes |