Hyperlite Mountain Gear Prism 40 Backpack
Overview
The Prism 40 is the ultimate pack for technical alpine ascents and ice climbing, perfectly blending weight, security, and comfort.
Built with exclusive 400D Fully Woven Dyneema, it’s designed to withstand the rigorous demands of ice climbing and mountaineering.
Weight: 34.6oz - 981g Features
Key Features
- Drawstring closure with extension collar and lid provides quick access to your gear while ensuring a secure, weather-resistant seal.
- Diamond tool pocket securely carries technical ice tools, keeping them organized and easily accessible during climbs.
- Crampon pouch offers easy and safe storage for your crampons, preventing damage to the pack and allowing quick access.
- Buckles / Bungees. Reflective bungees with quick-release pull tabs secure axe handles
- Compatible With. Pods, Stuff Sacks, Prism Crampon Bag & Ice Screw Case, Hyperlite Mountain Gear Removable Hip Belts
- Daisy Chains. Daisy chains on shoulder straps, two external daisy chains for attaching extra gear for trip-specific customization.
- External Pockets. Diamond pocket locks axe heads in place without additional buckles. Low profile side sleeve pockets hold mountaineering wands/pickets.
- Top Closure. Drawstring closure system with extendable collar and cinch cord. Floating lid allows for pack expansion.
- Hip Belt. Removable hip belt with gear loops and ice clipper slots, built using Hardline with Dyneema®, dual-density 1/8" closed cell rigid foam, 1/4" closed cell foam and spacer mesh
- Back. Integrated plastic sheet with dual-density foam back panel pad
- Loops. Grab Loop & Ice Axe loop
- Pack Accessory Options. Prism Ice Screw Case, Prism Crampon Bag, Shoulder Pocket, Versa, REpack, Stuff Sacks & Pods
- Side Straps. Four side compression straps for horizontal compression or attach additional items like snowboards and sleeping pads
- Top Compression Straps. Top compression strap secures gear stored under the lid and brings the load closer to your center of gravity.
- Shoulder Straps. Hardline with Dyneema® shoulder strap construction with 3/8" closed cell foam and spacer mesh.
- Stays. One removable, contoured aluminum stay
- Sternum Straps. Adjustable sternum strap with self-tensioning elastic and whistle
- Sealing. Seam tape on all vertical side seams and behind all sewn-on pack features
- Stress Point Reinforcement. Bar tacked reinforcements on all stress points
- Water Resistant. Yes Technical Specs
- Volume: 40L 15L
- Load Capacity: Up to 50lbs
- Material: Dyneema® Composite Hybrid Dyneema® Woven Composite 5.0
- Weight: 34.6oz - 981g
- Back Width: 11.0" - 27.9cm
- Height - Fully Unrolled: 35.0" - 88.9cm
- Height: 22.0" - 30.5" - 55.9cm - 77.5cm
- Top Circumference: 38.0" - 96.5cm
- Bottom Circumference: 28.0" - 71.1cm
- Country: Mexico
- Average weight based on size medium Sizing Size
Torso (inches) Torso (cm) Small
15"-17" 38-43 cm Medium 17"-19"
43-48 cm Large 19"-21" 48-53 cm