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Mountain Designs 18L Pump Daypack

Mountain Designs 18L Pump Daypack

Mountain Designs
The Mountain Designs 18L Pump Daypack is versatile, reliable, and expertly designed to transport and organise everything you need for your next all-day adventure. Pack your gear, store your water, and bring your helmet – there’s no telling where the day will take you.
Mountain Designs

Mountain Designs 18L Pump Daypack

Mountain Designs 18L Pump Daypack

Mountain Designs
The Mountain Designs 18L Pump Daypack is versatile, reliable, and expertly designed to transport and organise everything you need for your next all-day adventure. Pack your gear, store your water, and bring your helmet – there’s no telling where the day will take you.
Mountain Designs
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The Mountain Designs Pump 18L Daypack is ready to go wherever the day takes you. Go hiking, Adventure Racing, travelling or exploring. With plenty of places for your gear, hydration compatibility and a helmet pocket, it’s got you covered. The Pump 18L even comes with a FREE Source WidepacTM Hydration System.

The main compartment is roomy and hydration compatible, complete with three bladder clips to secure your reservoir. As well as the main compartment, the Mountain Designs Pump 18L Daypack has plenty of places to keep your gear, including a small zippered pocket for valuables, a larger zippered area for clothing or guidebooks, a Kangaroo pocket, an internal organiser and two side pockets for snacks and other bits and pieces. If you need more space you can use the bungee system to attach any extra gear to the outside of your pack too.

To maintain airflow and breathability, the Mountain Designs Pump 18L Daypack has air mesh shoulder straps and a ribbed foam back panel. Active stretch panels and the easy slide sternum strap system allow you to evenly distribute the weight of your pack while relieving back strain and providing extra stability.

Striking the perfect balance between an impressive storage capacity and indispensable, lightweight comfort the Mountain Designs Pump 18L Daypack is an ideal choice for just about any excursion.


Design features:

  • FREE Source WidepacTM Hydration System.
  • Comes with a bonus Source WidepacTM Hydration System
  • 3M reflective trims, straps and Mountain Designs logo.
  • Convenient hip belt pockets.
  • Zippered top pocket for storing small frequently used items.
  • Elastic adjustable bungee system for attaching your gear onto the pack.
  • A secondary compartment in front with an interior zippered mesh pocket for additional storage room.
  • Front zippered kangaroo pocket with two interior mesh compartments.
  • Two side compression straps to secure a helmet.
  • Two side pockets perfect for your snacks and water bottle.
  • Two bike light attachment straps.
  • YKK zippers with pullers with thick plastic tabs for extra durability and ease of use.
  • Hydration compatible interior sleeve with three bladder clips.
  • One single port at the back for threading the sip tube through.
  • Bilateral hose guides.
  • Active stretch panel and air mesh shoulder straps.
  • Comfortable ergo ribbed foam harness on back panel with tuck away webbing belt.
  • Air mesh hip belt with zippered pockets.
  • Easy slide sternum strap system.


Ideal for:

  • Cycling
  • Camping
  • Mountaineering
  • Hiking
  • Climbing
  • Trail running
  • Mountain biking
  • Adventure racing
  • Commuting
  • Walking

  • Fabric: KODRA® 100Denier Nylon (with PU coating)
  • Weight (approx.): 620g
  • Volume: 18L
  • Dimensions: 25cm (W) x 15cm (D) x 50cm (H)
  • Compatible with: SOURCE Hydration Component Technology

  • KODRA® Fabrics: A range of durable fabrics designed to withstand high levels of abrasion and extreme conditions.
  • Water Resistant: This piece is designed to be water resistant through the use of special fibres or treatments to the fabric, keeping you and your belongings drier for longer.
  • SOURCE Hydration Component Technology: SOURCE's unique Hydration Reservoir Technology procides clean, healthy, easily acessible solutions for people on the move.
    • Widepac™ Slide Closure: this is airtight, opens wide, allows easy filling, cleaning, draining and ice insertion.
    • Taste-Free™ System: this co-extruded PE film retains the pure taste with no plastic flavor (BPA and Phthalate free).
    • GrungeGuard™ Technology: this inhibits bacteria growth on the reservoir and drinkign tube for the life of the system. Technology utilizes FDA-approved and EPA-registered anti-microbial agent.
    • Glass-Like™ Film Technology: this is 2000% smoother than standard TPU films, with virtually no difference from glass itself. This multi-layer Polyethylene film, prevents bio-film build up, making the system virtually self-cleaning.

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