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Ultra-Sil Shopping Bag

$21.95

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.

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Description

The Ultra-Sil Shopping Bag is a tiny reusable shopping bag that is made of the same high tear strength fabric we make our pack covers, compression sacks and stuff sacks of, so they're amazingly strong and durable. We've also made sure that the stress points have bar-tacked reinforced stitching. You can fill these shopping bags to capacity week in, week out and they will keep performing like new. And because the Ultra-Sil Shopping Bag is so compact and lightweight you can stash it anywhere - the tiny packed size clips easily onto a key ring with the attached carabiner or tucks in a purse or in a jacket pocket, so you never have it out of reach.

Features

  • Ultra-Sil fabric for packability, strength, and durability
  • Bar tacked reinforced stitching at all stress points

Technical Features

Cordura®

Cordura® is a special type of nylon yarn used for its strength. These yarns are used in two different product areas:

>  In the siliconized Ultra-Sil™ fabrics used in Ultra-Sil™ Dry Sacks, Stuff Sacks, Compression Sacks, Pack Covers, Travelling Light and Travel Essentials products
>  In the foot section of the extremely tough eVent® Quagmire Gaiters.

    30D Ultra-Sil®

    An incredibly lightweight yet durable fabric used in a large number of Sea to Summit products. This 30 denier Nylon is made with CORDURA® yarns for strength, woven into a ripstop pattern. Two versions of the fabric are used:

    • water-resistant products (such as the Ultra-Sil™ Stuff Sacks) are siliconized on both sides for ultimate packability
    • waterproof products (such as the UltraSil™ Dry Sack are) siliconized on the outside and PU-coated on the inside to allow seam taping.

    Both versions have a hydrostatic head greater than 2000mm – which makes them more than adequately waterproof for the types of environments they are intended for.

    Tech Specs

    Product Details

    Capacity
    6.5 Gal / 25L
    Dimensions
    17 x 4 x 14.5 in
    Fabric
    Ultra-Sil fabric
    Packed Dimensions
    3.25 x 2.25 x 1.5 in
    Waterproof
    Waterproof Material
    Weight
    1.6 oz / 46g

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