How do I measure my torso length for sizing?

Measure from the C7 vertebra (the prominent bone at the base of your neck when you tilt your head forward) down to the top of your hip bones. This measurement determines which torso size you need. Each size corresponds to a specific torso length range, so check the manufacturer's sizing chart with your measurement before ordering.

Does this pack need a separate rain cover or dry bags?

No. The Dyneema fabric is fully waterproof and seams are sealed, so the pack itself keeps contents dry in rain and snow. You do not need a rain cover or liner, though some users still prefer dry bags for organization or extra protection of electronics.

What weight range is this pack designed to carry comfortably?

The pack works best for lighter loads typical of ultralight backpacking, generally under 30 pounds total. The sewn-through back panel and shoulder straps distribute weight well, but this is not a heavy-haul pack with an internal frame for 40+ pound loads.

Can I adjust the torso length after purchase?

No. The torso length is fixed based on the size you order. The shoulder straps and back panel are sewn in place and cannot be adjusted, so accurate measurement before ordering is essential for proper fit.

How does woven Dyneema compare to the composite version?

Woven Dyneema uses traditional weaving rather than bonding fibers to a film, which increases abrasion and tear resistance. It is more durable than lighter composite fabrics and even tougher than heavier composite versions, while maintaining the same waterproof qualities and similar weight.

Southwest

waterproof

The 3-second version

Fully woven Dyneema fabric resists abrasion and tears without added weight
Sewn-through back panel distributes load evenly and reduces friction
Side pockets made from solid fabric for protection in rough terrain
Requires accurate torso measurement
No built-in frame beyond back panel
Solid pockets add weight vs mesh

Why it's on GiftsFeed

Ultralight Waterproof Backpack Built to Last Decades

Most ultralight packs trade durability for weight savings, using thin fabrics that wear through at contact points or mesh pockets that snag and tear. This pack uses a woven Dyneema construction that achieves both: the main body fabric is tougher than heavier composite versions while weighing the same as the lightest options. The solid exterior pockets resist damage that would shred mesh in a single trip, and the sewn-through harness attachment eliminates the weak points where other ultralight packs develop problems after a few seasons.

The difference matters if you use a pack hard and often. A standard ultralight pack might last a thru-hike or two before friction wears through the shoulder strap attachments or abrasion opens holes in the pockets. This one is built to handle years of multi-day trips, off-trail scrambles, and the kind of use that leaves other packs needing repair or replacement.

It's worth it for anyone who puts enough miles on gear to notice longevity, who travels in conditions where a punctured pack or soaked contents creates real problems, or who simply wants to buy once and be done. If you're comparing this to a heavier traditional pack for the durability or a lighter cuben-fiber pack for the weight, this sits in the middle and beats both on the metrics that matter for long-term backcountry use.

Good gift when

Backpackers who keep the same gear for years and cover serious distance
Anyone moving through rocky or brushy terrain that tears up standard packs
Travelers who need a lightweight pack that handles variable weather
People who want waterproof storage without extra liners or covers

Skip it if Torso length measurement required for fit; not ideal if you haven't sized a backpack before or prefer adjustable systems

Specs

Material: Dyneema Woven Composite 3.9 (200-denier)
Volume Options: 40L, 55L, 70L
Torso Sizes: Extra Small, Small, Medium, Large, Tall
Color Options: White, Black
Waterproof: Yes, fully waterproof with sealed seams
Closure: Roll-top
Pocket Material: Solid Dyneema fabric

What's included

Backpack with sewn-through shoulder straps and back panel
Ice axe attachment

If you're giving it

You'll need their size

Requires torso length measurement for proper fit; arrives in standard packaging.

The details

This pack uses a fully woven 200-denier Dyneema fabric across the main body, a construction method that increases abrasion resistance and tear strength while maintaining the waterproof integrity and minimal weight the material is known for. The result is a carry system that shrugs off contact with rock, brush, and repeated use season after season, yet weighs less than many packs half its volume.

Shoulder straps now attach with a sewn-through back panel, distributing weight more evenly across your shoulders and reducing pressure points during long carries. The redesigned harness minimizes the friction and wear that can develop over thousands of trail miles, and the improved fit keeps the load stable whether you're moving fast on smooth trail or scrambling over uneven ground.

Exterior pockets sit lower on the sides, making it easier to grab water bottles or stash frequently accessed items without removing the pack. The pockets themselves are made from solid Dyneema fabric rather than mesh, so sharp objects, rough terrain, and extended compression won't compromise them. An updated ice axe attachment offers better security and simpler one-handed operation.

The pack is fully waterproof without the need for a separate liner or rain cover. Seams are sealed, and the material itself does not absorb moisture, so contents stay dry in sustained rain or snow. Available in three volumes—40L, 55L, and 70L—and five torso lengths, the pack adjusts to different body sizes and trip lengths. Roll-top closure lets you compress the pack when it's not full or expand capacity when needed.

Hyperlite Mountain Gear

Southwest

Woven Dyneema construction delivers unmatched durability without weight penalty

$395at hyperlitemountaingear.com

Choose an option

Quantity

Buy from Hyperlite Mountain Gear

Ships and sold by Hyperlite Mountain Gear. About this merchant

The 3-second version

Fully woven Dyneema fabric resists abrasion and tears without added weight
Sewn-through back panel distributes load evenly and reduces friction
Side pockets made from solid fabric for protection in rough terrain
Requires accurate torso measurement
No built-in frame beyond back panel
Solid pockets add weight vs mesh

Questions

How do I measure my torso length for sizing?: Measure from the C7 vertebra (the prominent bone at the base of your neck when you tilt your head forward) down to the top of your hip bones. This measurement determines which torso size you need. Each size corresponds to a specific torso length range, so check the manufacturer's sizing chart with your measurement before ordering.
Does this pack need a separate rain cover or dry bags?: No. The Dyneema fabric is fully waterproof and seams are sealed, so the pack itself keeps contents dry in rain and snow. You do not need a rain cover or liner, though some users still prefer dry bags for organization or extra protection of electronics.
What weight range is this pack designed to carry comfortably?: The pack works best for lighter loads typical of ultralight backpacking, generally under 30 pounds total. The sewn-through back panel and shoulder straps distribute weight well, but this is not a heavy-haul pack with an internal frame for 40+ pound loads.
Can I adjust the torso length after purchase?: No. The torso length is fixed based on the size you order. The shoulder straps and back panel are sewn in place and cannot be adjusted, so accurate measurement before ordering is essential for proper fit.
How does woven Dyneema compare to the composite version?: Woven Dyneema uses traditional weaving rather than bonding fibers to a film, which increases abrasion and tear resistance. It is more durable than lighter composite fabrics and even tougher than heavier composite versions, while maintaining the same waterproof qualities and similar weight.