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HMG Prism Pack

Weight: 827g

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333,33 €

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Hyperlite Mountain Gear Prism Pack - is 40-liter backpack designed specifically for ice climbing and light and fast alpinism. 40L is measured with the Nylon extension collar, the removable lid adds an additional 3.5L.
Prism has a lot of features, but still remain lightweight, empty weighs 827 grams.

The main body of the Prism pack is built of DCH150, while even stronger 375 Denier DCHW is used in the back, bottom and sides to limit abrasion as much as possible.

All previously made HMG packs have roll-top closure systems to save weight. The Prism is their first pack with traditional brain built for quick access to headlamp, extra gloves, energy bar any other things. Beneath the removable brain is a gray collar with two drawstring closures easily adjustable even with thick gloves. 

Climbers can store a rope under the lid, glacier adventurers can store their wands in the side pockets, and backcountry skiers can depend on the A-frame carry when they’re on foot marching up the steep stuff. Alpinists of all types can round out the pack with the Prism Crampon Bag and Prism Ice Screw Case for an even more dialed setup.

While Hyperlite made the Prism specifically with ice climbing in mind, thanks to a lot of smart features, it’ll serve you well on other adventures too.

827g | 1.82 lbs | 29.1 oz
Weight does not include hip belt and may vary slightly by torso size.

LOAD CAPACITY: Up to 23 kg (50 lbs)

Body: DCH150 (White) + 375-Denier DCHW
Bottom: 375-Denier DCHW
Crampon Pouch + Diamond Pocket: 375-Denier DCHW
Lid: DCH150 (White) + 210D Nylon (Gray)
Extension Collar: 210D Nylon (Gray)

Internal: 40 L (2400 cu. in.)
Removable Lid: 3.5 L (214 cu. in.)

Top Circumference: 96.5cm | 38” |
Bottom Circumference: 71.1cm | 28” 
Height (fully extended): 88.9cm | 35”
Back Width: 27.9cm | 11”

HMG Prism backpack
Data sheet
Weight827 g
Warranty2 years
Made inUSA

  • Main pack body is built with Dyneema® Composite Fabrics DCH150
  • Side panels, bottom, and lumbar are 375-Denier DCHW for the ultimate abrasion protection from the environment, ski edges, and sharp tools
  • Removable, Hardline with Dyneema® hip belt with 1/8” closed cell rigid foam and 1/4” closed cell foam padding and spacer mesh features (2) gear loops, (2) ice clipper slots, and an offset buckle to reduce tie-in clutter
  • Extendable collar and floating lid allow for pack expansion
  • Diamond pocket locks tool heads in place without additional buckles
  • Reflective bungees with quick-release pull tabs secure axe handles
  • External crampon pouch with easy-cinch closure keep crampons secure and within reach during the approach
  • Multi-purpose compression straps allow you to draw in your pack or attach additional items like snowboards and sleeping pads
  • Top overload strap secures gear stored under the lid and brings the load closer to your center of gravity
  • Exterior daisy chains provide multiple lashing points for other gear
  • Axe loop for non-technical mountaineering axes
  • Low profile side sleeve pockets with drainage holes hold mountaineering wands/pickets, or trekking/tent pole tips
  • Hardline with Dyneema® shoulder strap construction with 3/8” closed cell foam and spacer mesh
  • Adjustable sternum strap with self-tensioning elastic and whistle
  • One removable, contoured aluminum stay, and an integrated 1/4" foam back panel pad and plastic stiffener provide shoulder and spine support for a comfortable and secure carry
  • Proprietary seam sealing on all side seams and behind all sewn-on pack features
  • Bar tacked reinforcements on all stress points provide enhanced strength and durability
  • Adjustable and removable lid means you can overstuff your pack using the extendable drawstring collar and still have weather protection, or remove it completely to save weight on clear days
  • Waterproof, zippered pocket on the lid provides convenient storage for snacks, gloves, phone, map, or anything you want within easy reach
  • Elastic sides provide a snug fit to keep weather out, while helping secure a rope underneath
  • Lightweight, aluminum G-hooks attach the lid securely to daisy chains in the front and rear and are easy to use with gloves on

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