Miya Pearson
The Zpacks Classic Sleeping Bag is an ultralight, hoodless sleeping bag with a 3/4 length zipper that weighs between 17 and 21.6 ounces, depending on the model. The bag is designed for backpackers looking to cut weight from their sleep system and is one of the lightest 20-degree bags available on the market. It is filled with high-quality goose down and features a box baffle construction, which helps to trap body heat. The Zpacks Classic Sleeping Bag is available in several widths and lengths and comes with a free Roll Top Dry Bag for storage, which adds an additional 0.9 ounces to the total weight.
| Characteristics | Values |
|---|---|
| Manufacturer | Zpacks |
| Product Name | Classic Sleeping Bag |
| Temperature Ratings | 10°F, 20°F, 30°F, 40°F |
| Width Options | Slim, Regular, Wide |
| Length Options | Short, Regular, Long |
| Weight | 17-21.6 oz (depending on size) |
| Zipper | 3/4 length |
| Hood | No |
| Waterproof Stuff Sack | Yes |
| Warranty | 2-year limited |
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What You'll Learn
Zpacks Classic Sleeping Bag specifications
The Zpacks Classic Sleeping Bag is a hoodless mummy bag with a 3/4 length zipper and an enclosed foot box. It is lightweight, compact, and comfortable, and can be used as a bag or a quilt. The bag features a vertical box baffle construction around the torso and upper legs, and horizontal box baffles around the feet. This design ensures there are no "dead spots" with zero insulation. The bag is filled with Responsible Down Standard certified 900 fill power Muscovy Duck down. The bag weighs 18.8 ounces for the 20-degree regular length (6-foot model) and standard width, and the weight varies from 12.2 ounces for the slim/short 30-degree model to 25.9 ounces for the 10-degree long/broad model. The bag is available in three temperature ratings: 10, 20, and 30 degrees. It also comes in three widths (slim, regular, and wide) and three lengths (short, regular, and long).
The Zpacks Classic Sleeping Bag is designed for ultralight hikers and thru-hikers who want to save weight without sacrificing comfort. It is highly lofted, which contributes to its warmth. The bag comes with a free Zpacks Roll Top Dry Bag for storage, which adds about 0.9 ounces to the total weight. The bag is manufactured in the USA and comes with a two-year limited warranty against defects in materials or workmanship.
The Zpacks Classic Sleeping Bag has received positive reviews for its warmth, lightweight, and versatility. It is rated as one of the warmest bags in its class and is said to have a surprising amount of insulation for its weight. The bag is also customizable, with the option to add a zipper draft tube for an additional cost.
However, the bag also has some drawbacks. It has a restrictive fit and slightly less impressive functionality compared to other bags. Additionally, it lacks a draft tube that covers the zipper, and the neck collar design is not as effective at keeping warm air inside the bag. Despite these shortcomings, the Zpacks Classic Sleeping Bag is considered a good value for the price and is a popular choice among ultralight hikers and thru-hikers.
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Zpacks Classic Sleeping Bag's warmth
The Zpacks Classic Sleeping Bag is one of the lightest sleeping bags on the market. It is a favourite among thru-hikers and the ultralight crowd. The sleeping bag is a hoodless mummy bag that uses high-quality 900 fill power down in a box baffle design to trap body heat. The bag has a 3/4 length zipper that goes underneath, and an enclosed footbox. The design allows the bag to be opened almost all the way up, making it highly versatile for warm and cold nights. The bag is also available in a Full-Zip version that includes a draft tube. The standard long bag weighs 20.3 ounces, while the slim/short 30-degree model is 12.2 ounces. The 10-degree long/broad model is the heaviest at 25.9 ounces. The bag has been described as "warm and cozy", and has been tested in the Khumbu region of Nepal in early spring.
The Zpacks Classic Sleeping Bag has been praised for its warmth-to-weight ratio, and its ability to compress down to a very small size. It has been described as "puffy", with vertical box baffle construction around the torso and upper legs, and horizontal box baffles around the feet. The bag is constructed with Responsible Down Standard certified 900 fill power Muscovy Duck down. The manufacturer claims that the bag is overstuffed with 30% more 900 Fill Power premium down than is necessary for maximum loft to account for any future down compression. The bag is also available in different sizes, with three different temperature ratings (10, 20, and 30 degrees) and widths (slim, regular, and wide), as well as three different lengths (short, regular, and long).
While the bag has been praised for its warmth, there are a few drawbacks to its design. Firstly, there is no draft tube that covers the zipper, although Zpacks claims that this is not an issue since the user should be sleeping on top of the zipper. Additionally, the bag has a tighter than average fit, and the neck collar design has been criticised for being too thin and not effective in keeping warm air from escaping. However, despite these minor drawbacks, the Zpacks Classic Sleeping Bag is considered an excellent choice for ultralight hikers looking for a warm and versatile sleeping bag.
To complement the Zpacks Classic Sleeping Bag, Zpacks offers a range of accessories, including a Roll Top Dry Bag for storage, a Merino Wool Sleeping Bag Liner for added warmth and protection, and an inflatable pillow for comfort. The pillow is designed to be ultra-light and can be attached to a stuff sack, dry bag, or inflatable pillow for extra head support. Zpacks also offers Octa® Camp Pants, which are crafted with Octa® fleece for durability, breathability, and superior warmth-to-weight ratio, making them excellent for sleepwear or a base layer.
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Zpacks Classic Sleeping Bag's design
The Zpacks Classic Sleeping Bag is designed for ultralight hikers looking to save weight without compromising on comfort. It is one of the lightest sleeping bags available in the market, weighing between 12.2 oz for the slim/short 30-degree model to 25.9 oz for the 10-degree long/broad model. The standard 20-degree model weighs 18.8 oz, while the medium-length, standard-width bag weighs 20.1 oz.
The bag is hoodless and has a mummy-like shape, with a 3/4 length zipper that allows the bag to be opened almost entirely, increasing its versatility. The hoodless design saves weight, but it also means that hikers will need to carry additional headgear for warmth. The bag also has an enclosed footbox, and its vertical box baffle construction around the torso and upper legs, along with horizontal box baffles around the feet, helps trap body heat and provides warmth. The bag uses Responsible Down Standard certified 900 fill power Muscovy Duck down, which is naturally water-repellent.
The Zpacks Classic Sleeping Bag is highly customizable, with options for different temperature ratings 10F, 20F, 30F, and 40F and widths slim, regular, and wide, as well as lengths short, regular, and long. The bag is made to order by a small independent manufacturer, and additional features like a zipper draft tube can be added for a price.
The bag comes with a free Roll Top Dry Bag for storage, which adds about 0.9 oz to the listed weight. The dry bag can be compressed by squishing its contents and rolling the top down. Zpacks gear comes with a two-year limited warranty against defects in materials or workmanship.
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Zpacks Classic Sleeping Bag's weight
The Zpacks Classic Sleeping Bag is designed for ultralight backpackers and hikers who want to keep pack weight to a minimum without compromising comfort and warmth. It is consistently reviewed as one of the lightest sleeping bags on the market. The weight of the bag varies depending on the model, with the 20-degree regular length (6-foot model) and standard width bag weighing in at 18.8 ounces, and the standard long bag weighing 20.3 ounces. The weight of the bag can be increased by adding a zipper draft tube and a hood. The Zpacks Classic Sleeping Bag is available in a range of temperature ratings, including 10, 20, 30, and 40 degrees Fahrenheit, and in three different widths (slim, regular, and wide) and lengths (short, regular, and long). The bag's streamlined design, including a 3/4 length zipper and sewn footbox, helps to keep the weight down while also providing versatility in different weather conditions.
The Zpacks Classic Sleeping Bag is constructed with high-quality 900 fill power down, which provides excellent warmth-to-weight performance. The vertical box baffle construction around the torso and upper legs, and horizontal box baffles around the feet, ensure maximum loft and consistent insulation by eliminating "dead spots" where the inner and outer material meet with no insulation. This construction, combined with the ability to cinch the bag tightly at the top, helps to trap body heat and retain warmth, making it suitable for three-season use.
The bag's lightweight and compact design make it a popular choice among thru-hikers and ultralight enthusiasts. It can be easily compressed and packed down to a very small size, making it ideal for backpacking and hiking adventures where weight and space are crucial considerations. The included Roll Top Dry Bag adds approximately 0.9 ounces to the listed weight and provides excellent compression capabilities, allowing the bag to be packed down even further.
While the Zpacks Classic Sleeping Bag excels in weight and warmth, it does have some drawbacks. The hoodless design may be a disadvantage for those seeking additional warmth, especially in colder weather conditions. Additionally, the bag has been noted to have a tighter than average fit, which may be restrictive for some users. Despite these limitations, the Zpacks Classic Sleeping Bag remains a top choice for ultralight adventurers due to its impressive warmth-to-weight ratio, packability, and versatility across different seasons.
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Zpacks Classic Sleeping Bag's storage
The Zpacks Classic Sleeping Bag is one of the lightest sleeping bags on the market. It is a hoodless mummy bag with a 3/4 length zipper that can be opened almost all the way up, making it highly versatile. The bag features a unique box baffle design that helps trap body heat and comes with a waterproof cuben fiber stuff sack for storage. The stuff sack is made of a waterproof material and can be compressed by squishing its contents and rolling the top down.
For longer-term storage, Zpacks offers a large cotton bag designed for storing ultralight sleeping bags and quilts. This bag is breathable and ensures the sleeping bag is not over-compressed. To store your Zpacks Classic Sleeping Bag in this cotton bag, simply stuff it loosely inside and hang it up in your closet. This bag is intended for at-home storage and is not waterproof or designed for use as a pack liner or storage sack while on the trail.
The Zpacks Classic Sleeping Bag is available in three different temperature ratings: 10 degrees, 20 degrees, and 30 degrees Fahrenheit. It also comes in three widths (slim, regular, and wide) and three lengths (short, regular, and long). The bag is highly customizable, allowing users to add features such as a zipper draft tube for a price.
The Zpacks Classic Sleeping Bag is a popular choice among thru-hikers and backpackers due to its impressive warmth-to-weight ratio and versatility in different weather conditions. It is essential to note that the bag's actual performance may vary depending on the user's specific needs and the environmental conditions during use.
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