Summit 15L

Rider's choice SOURCE hydration backpack with ventilated and padded back, generous flap for helmet or jacket on the outside, and 15L of easily accessible cargo space, including our Widepac reservoir in its insulated hydration-pocket. - New in 2020!

Summit 15L


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Hydration Backpack - Designed For Mountainbiking

Including 3L / 100oz Widepac Hydration Reservoir

Our new dedicated Mountain Bike Hydration Pack proves to be an instant favorite. Its back design with ventilated and padded EVA netting, the new hip-belt compression-straps, easy access compartments inside and outside, the generous flap for Helmet and/or Jacket ... and of course the no-taste zero-maintenance Widepac hydration system in its insulated hydration-pocket make the Summit a winner.

The structured shoulder straps are attached to adjust instantly to the rider’s position and build. The smart compression straps, integrated with the pack’s hip belt, keep the pack compact and its weight close to the rider's center of gravity at all times.

Additional details like the detachable toolkit-pouch or the generous loops on the zipper-pulls will make it a guaranteed winner with riders.

The bag is made from durable, water resistant 210 Denier Nylon fabric, its production is BLUESIGN certified for responsible and sustainable manufacturing of textile consumer products.

Summit MTB Hydration Pack Features

Watch: Slavik Hannes introducing the Summit

Hydration system features

hydration features
  • 3L Widepac™ closing (US Patent no 7,648,276,B2)
  • 3 layered membrane
  • SQC™ (SOURCE Quick Connect)
  • Coextruded tube
  • UV protection cover
  • Valve Helix™
  • Dirt Shield™ valve protection
  • Magnetic Clip valve docking station



SOURCE Hydration Technologies

Widepac Closure (U.S Patent No. 7,648,276,B2) - The original user-friendly Widepac™ Slide Closure opens wide, allows easy filling, cleaning, draining, and ice insertion. Airtight seal. Most SOURCE Hydration Systems and Hydration Packs feature reservoirs with our signature Widepac Closure.

Taste-Free™ System - Our co-extruded PE film retains the pure taste with absolutely no plastic flavor, also over time. (BPA and Phthalate free.)

GrungeGuard™ Technology - Our GrungeGuard™-Technology inhibits bacteria growth on the reservoir and drinking tube for the life of the system. Technology utilizes FDA-approved and EPA-registered anti-microbial agent. 

Glass-Like™ Technology - SOURCE's Glass-Like™ Film is 2000% smoother than standard TPU films, with virtually no difference from glass itself. This multi-layer Polyethylene film, manufactured in accordance with SOURCE's Glass-Like™ technology, prevents bio-film build up, making the system virtually self-cleaning.

Easy Care & Low Maintenance - Glass-Like™ technology combined with Grunge-Guard™ technology represents a new generation in hydration systems, in which cleaning is no longer an issue! Simply refill with water and drink again and again without special care. Water will remain fresh for days and even weeks. 


Summit Specs

  • Height (max): 50 cm
  • Width (pack): 25 cm
  • Weight: 1.10 kg

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Summit 15L

Summit 15L

Rider's choice SOURCE hydration backpack with ventilated and padded back, generous flap for helmet or jacket on the outside, and 15L of easily...

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  • Black
  • Chili Orange
  • Atlantic Deep Blue
Gear Junkie
star star star star star
Source Widepac

" On big wilderness missions the Summit is ideal. "
" Most Wanted. " in MBUK Magazine Spring 2021 Grouptest

Design Innovation Award

" Bluesign certified maximum sustainability performance. "

Design Innovation Award

" The ideal backpack for epic trail sessions and exciting all day rides. "

" The comfortable fit, high manufacturing quality and the ingenious details convinced the award jury. "


" Our tester left water in the Widepac for eight weeks without cleaning and reported no stinky taste or smell."
" More to love: The top opens wide like a paper bag for rapid filling. "

SOURCE Ultimate Review
Source Ultimate Review

" Forget about the plastic taste of your standard hydration system. The Widepac gives you full original taste of your drink from the first sip."

Vital MTB
star star star star star
Source Widepac Hydration System

" Filling up Source bladders is easy thanks to the wide opening."
" The Helix is drip-free, and very easy to drink from. "
" It is one of the easiest to use thanks to its nearly self-maintaining properties, and it is completely taste-free."