GoLite Men's Jam 2 Pack

The Jam2 backpack is great for whenever one wants a medium capacity light weight yet durable pack. Great for fast-packing, lightweight backpacking, adventure travel. We have seen them in airports and on mountains around the world, and on overnight hiking trips with the family. Made with super durable Dyneema gridstop, it features foam padding in the back for support, and Brock foam padding in the spacer mesh shoulder straps for long-lasting comfort. Store items you want quick access to in the large front pocket with a watertight zip and two side angled stretch mesh pockets. Reduce excess pack room as your trip goes on by utilizing the two side compression straps and the comPACKtor system. Most comfortable if carrying less than 30 lbs.

Light as a feather for fast packing, the GoLite Men's Jam Pack is built for high-intensity alpine bids in any weather conditions. Weighing just one pound, five ounces, and constructed of bombproof and amazingly lightweight Dyneema gridstop nylon, the Jam is one of the lightest and most durable alpine packs available with a 43-liter capacity. The Dyneema fabric is stronger than steel and lighter than any other high-performance fiber. Composed of extremely durable and light polyethylene fibers that are chemical, water, and UV resistant, used to reinforce 210 Denier (medium-weight) ripstop nylon, this fabric is 10-times stronger than steel and twice as strong as Kevlar by weight. The resulting pack fabric is extremely light and durable and is somewhat water resistant, designed for the rigors of backpacking and mountaineering.

The Jam pack offers a 43-liter capacity for gear-heavy day trips. But with incredible versatility, the comPACKtor system reduces the pack's volume so you can still maintain a streamlined and balanced load for lower volume trips with two fixed compression anchor clips. Simple to use, you simply connect the two fixed compression anchor clips with the pack empty, and your pack volume and profile are instantly smaller.

With an ultra-streamlined design, built for comfort on the move, the Jam offers optimum support with foam padding in the back and Brock foam padding in the spacer mesh shoulder straps. The sternum strap and webbing hip belt are fully adjustable. A large front pocket with a watertight zip and two side angled stretch mesh pockets provide easy access to stored items, while the top loading main compartment is easy to pack and has a top compression strap for load control. Two side compression straps further tighten down the load. The pack also features ice axe loops with lightweight elastic cord, a pack hook system for closure, a haul loop, and two side hydration openings with an internal hydration sleeve.

Specifications:

• Weight: One pound, five ounces
• Fabric Dyneema gridstop
• Watertight zipper for roomy front pocket
• Comfortable foam back pad
• Adjustable sternum strap and webbing for hip belt
• Space mesh shoulder straps with Brock foam padding
• Two side hydration openings with internal hydration sleeve
• Cord lock to secure top closure
• Two angled side mesh pockets with elastic top binding
• Ice axe loops with lightweight elastic cord and pack hook system for closure
• Two side compression straps with quick release buckles
• Top compression
• ComPACKtor system
• Haul loop

Recommended Uses:

• Summit bids
• Fast-packing
• Rock and ice climbing
• All-season backpacking
• Light and ultra-light backpacking
• Winter day trips

Care Specifications:

• Use a mild soap and a damp sponge to wipe the outside and inside of the pack. Never use detergents or solvents.
• Stubborn stains may require scrubbing with a soft bristle nylon brush. Excessive cleaning may damage the protective coatings and is not recommended.
• Use McNett Mirazyme enzyme cleanser to neutralize organic contaminants such as sweat and food.
• Never tumble dry your pack--the heat may damage the protective coatings.
• The use of solvents and dryers may damage your pack.
• Be sure to completely air-dry the pack.
• Open all zippers and roll-tops prior to storing.
• Always store your pack in a cool, dry place.

Manufacturer Warranty
Lifetime

Amazon.com Backpack Guide
Finding the Right Backpack
For extended trips into the backcountry, there's no getting around the fact that you'll have to carry life-sustaining supplies on your back. Here are some things to keep in mind when shopping for a backpack:

Internal vs. External
Up until late 1970s, external frame packs--which consist of an exposed, lightweight metal frame attached to a fabric pack-bag--were the only thing going. In recent years, though, packs that place the support structure of the pack inside the pack, known as internal frame packs, have boomed in popularity.

The good news about internal frame packs is that they hold the weight of your load close to your body, making it easier to maintain your balance on uneven terrain. Meanwhile, internals provide stiffness and support, but they are not completely rigid, which makes them more flexible when you're doing active sports. With the added flexibility comes a high degree of compressibility, meaning you can use the pack's compression straps to cinch down your load and keep items from shifting and throwing you off balance. Internals also sport slimmer shapes that allow for more arm movement in all directions--another big plus for off-trail bushwhackers, skiers and climbers. Last but not least, internal frame packs offer a greater range of adjustability in the shoulder harness and hip-belt than external frame packs.

There are some negatives for internals. First, once packed, it can be difficult to grab needed items out of them quickly. And because internal frame packs consolidate the load into a single, body-hugging unit, proper packing is very important. To distribute the weight properly, you should pack your heaviest items close to your back and in the middle portion of the pack-bag. Plan on getting a sweaty back with an internal, too, given the fact that they are pressed right against you. Finally, internal frame packs are priced higher than external models.

External frame packs are very good at focusing the weight of a load directly to the right place: your load-loving hips. While internals, when properly packed, do this effectively, too, you can always rest assured that an external will distribute the load evenly, no matter how unevenly packed it may be. Externals also offer easy access to your gear via multiple, easily-accessible compartments. Plus, because externals don't situate the load directly against your back, you'll enjoy far more air flow. Finally, if you're on a budget, or you're buying for a growing child, externals are more affordable.

If you plan on hiking on easy to moderate trails and you don't need a lot of body movement, you'll probably be fine with an external. But because externals are so rigid and inflexible, challenging trails or any kind of off-trail pursuit can become painful and frustrating. Also know that your balance is far more compromised with an external frame pack during activities like stream crossings and hops through talus fields.

Packs for Shorter Trips
In addition to backpacks designed for overnight trips, rucksacks are great for day-trips, warm-weather one-nighters, single-day ski trips, or fast alpine assaults. Some rucksacks blur the line between backpack and rucksack with integrated internal supports and sophisticated hip belts and shoulder harnesses. Choose a pack in this category based on your intended use. Short day hikers don't need an internal frame, while climbers and skiers with heavier loads likely do.

Sizes and Capacities
Packs in the 3,000 cubic inches and lower category are good for day hikes or overnighters in warm weather with minimal gear. Packs in the 3,000 to 4,000 cubic inch range are good for one- or two-night trips in colder weather. If you're going to be out for up to three days, look for a pack in the sub-4,000 cubic inch range. Choose a pack with 5,000-6,000 cubic inches for week-long outings. And finally, for trips lasting a week or more, you'll need something in the 6,000-plus cubic inch category. Keep in mind, though, that bigger packs weigh more, and since every ounce counts, you'll want to choose a pack that offers just enough space for your outings and no more.

Features:

• Weight: one pound, five ounces
• Adjustable sternum strap and webbing for hip belt
• Space mesh shoulder straps with brock foam padding
• Two side hydration openings with internal hydration sleeve
• Two angled side mesh pockets with elastic top binding