Ultra-Sil Day Pack

Packs down to the size of a tennis ball

$34.95

20 liter20 liter
Pacific BluePacific Blue
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Sleeping Bag Temperature Ratings Explained

The EN Rating scale is a scientific test to determine the warmth of a sleeping bag. The test produces a Lower rating (for male sleepers) and a Comfort rating (for female sleepers). Both are listed in the features table on the product page.

A unisex sleeping bag with a Lower limit of 23ºF means a man should be comfortable down to air temperatures of 23ºF. The same bag will also have a Comfort limit, in the realm of 32°F, so a woman would be comfortable down to an air temperature of 32ºF. These ratings require a sleeping mat with an R-Value appropriate for expected ground temperatures – without this, the sleeping bag itself is unlikely to keep the sleeper warm enough.

A variety of factors impact sleeping bag warmth - the above temperatures are merely guidelines, not guarantees. It’s important to think of a sleeping bag, an appropriately insulating sleeping pad and a liner as a sleep system. For example - if you plan on sleeping in nighttime air temperatures of 27ºF / -3°C, choose a bag with a gender-appropriate rating of 23°F / -5°C, plus a sleeping mat with an R-Value of 2.5 to 3, and consider a Reactor thermal liner.

Description

The Ultra-Sil™ Day Pack won the Backpacker Editors' Choice Gold Award in 2017, meaning this little pack has stood the test of time and sustained its best-in-class status for more than 5 years. It is perfect for a summit pack, carrying groceries when on foot, on a bike or as an extra traveling tote. The tiny packed size of this perennial best seller fits easily onto your key ring, in a jacket pocket or a purse and the reinforced bar-tacks at all stress points enable it to withstand loads 250 times its own weight. A small but mighty essential.

Features

  • The Ultra-Sil Day Pack won the Backpacker Editors’ Choice Gold award, 2017
  • Packs down small so it easily fits in pockets, purses or luggage
  • Stuff sack has an attached carabiner
  • Simple, streamlined design so it's light and low profile
  • Siliconized CORDURA® fabric for strength and durability
  • Bartack reinforced stitching on all stress points
  • Two-way zipper closure
  • Reinforced shoulder straps for increased carrying comfort
  • Webbing daisy-chain attachment point can hold a bike light