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Delta SI V Seat

Keep your rear comfy for camping, sports events, and travel

5.0 star rating 2 Reviews

$29.95 – $39.95

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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The Delta SI V Seat is a compact companion offering foam filled comfort to any adventure. Whether providing much-needed cushioning for aching glutes at the end of a long day, compensating for cold uncomfortable stadium bleachers or to soften the threadbare seats of a chicken bus in Central America, this is a welcome addition to your purse or backpack. Tough, 75D polyester fabric on the base and upper surface means it will go the distance

The Deluxe version can be folded to offer a 2 inch super-comfortable seat pad, or can be unfolded to offer back cushioning as well. It uses the 75D polyester on the base, and a luxurious knitted 30D polyester on the upper surface.


Ease of Use

Quick inflation and deflation through our multi-function valve


Filled with Delta Core-V™ foam, these seats have enough insulation to keep the chill from your rear.

Tech Specs

16 x 12 x 1.5 in / 40 x 30 x 4 cm
3.4 oz / 96g
16 x 12 x 2 in / 40 x 30 x 5 cm
7.8 oz / 222g
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