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October 2016 Issue
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Hydration packs

The Osprey Viper 9 distributed by www.southernapproach.co.nz

For fast-paced activities like mountain biking and trail running, you need a low-capacity hydration pack.

Storage and capacity
While some hydration packs have capacities over 10litres, most are smaller than this, purposed with holding essentials like food, hydration, bike tools and an extra layer or two. Slim-line pockets and hipbelt pockets hold energy bars and basic cycle tools. Bike packs should have a helmet attachment.

Reservoir, hose and bite valve
Made of polyurethane or food grade plastic, reservoir volumes are typically two or three litres. They either have a twist-off cap or a zip/slide top. The latter makes filling and cleaning super easy.

The bite valve prevents water from dripping. Some reservoirs have an on/off valve.

Shoulder straps and hipbelt
Moulded foam shoulder and hip straps provide comfort. They may be perforated or die-cut to save weight and be covered with a mesh fabric that helps wick sweat and promote fast drying. Smaller packs may have a sternum strap rather than a hipbelt.

Harness
Back panels consist of open or die-cut foam with ventilation channels to aid airflow and moisture-wicking. The harness works with the shoulder and sternum straps to keep the pack stable and close to the body.

Fabric
Lightweight ripstop nylon and polyester fabrics predominate.

Cleaning the reservoir
Wash and dry the reservoir straight after use – or as soon as is practical – to prevent mould. This is especially important if you have used a sweetened electrolyte drink. Those who use their packs often might want to invest in a purpose-built brush for the hose and reservoir – though slide-top models allow you to get your hand inside to do the job. Dry the reservoir out of direct sunlight and in a way that allows residual water to run out.

Now you know what to look for, it’s time to choose a hydration pack.

duthie-10

Platypus Duthie A.M.10 $279.99
FloatAir tensioned mesh back panel, taste-free 3-litre Big Zip LP reservoir, helmet and protective pad carry, tool organisation and separate pump sleeves, fleece-lined eyewear pocket, zippered hipbelt pockets, raincover, reflective detailing, light loop, Fabric 160D PU-coated nylon dobby, 210D PU-coated nylon Oxford Capacity 7l + 3l hydration Weight 967g.

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kompressor


Marmot Kompressor Speed $199.95
Performance foam back panel, suspension and compression shoulder harness, 500ml Soft Flask on shoulder strap; 2-litre reservoir in internal storage compartment. Fabric 70D STS nylon Capacity Hydrapak 500ml Flask + 2l Hydrapak Reservoir Weight 260g.

 

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osprey-viper-9
Osprey Viper 9 $159.99
Zippered access, sunglasses and electronics pocket, die-cut foam backpanel with BioStretch harness, internal bike pump storage loops, front compression pocket, LidLock helmet attachment, removable hipbelt, sternum strap, 2.5l Hydraulics Reservoir included. Fabric 210D polyester honeycomb, 420HD packcloth Capacity 9l Weight 550g.

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amp-12hr

Macpac Amp 12 Hour $149.99
Moulded foam back panel, stretch front stash-pocket, blinker light attachment, reflective detailing on front and back, valuables pocket, mesh pocket on shoulder strap, squeeze flask included, back length adjustment. Fabric Titan Grid, 100D nylon dobby with silicon coating Capacity 7l Weight 480g.

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luton

Merrell Luton $139
Front zipper pocket with reflective print, internal mesh pocket, hipbelt with side-release buckles, adjustable sternum strap with whistle, padded back panel system, ventilated shoulder straps. Fabric 420D polyester ripstop, 420D nylon Capacity 4l Weight 240g.

 

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