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Alpine eVent Gaiters


Size Guide

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 14ºF means a man should be comfortable down to air temperatures of 14ºF. The same bag will also have a Comfort limit, in the realm of 27°F, so a woman would be comfortable down to an air temperature of 27ºF. 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 Alpine™ eVent® Gaiters are perfect for mountainous, high altitude pursuits. They're trimmed down for speed and lightweight appeal and have an impressive fit and feature list, without the bulk.


  • Ultralight gaiters with a 70D eVent waterproof, breathable laminate upper
  • Ideal for ski touring, mountaineering or trekking
  • 1.5 in / 38mm hook and loop front opening
  • Abrasion-resistant 900D boot section
  • Replaceable hypalon underfoot strap
  • 316 stainless steel lace hook


Technical Features

eVent™ Fabric

eVent™ fabric is an air-permeable, waterproof laminate used in two different functional areas in Sea to Summit products:


  1. In the base of our best-selling eVent Compression Dry Sacks, Evac Dry Sacks and Ultra-Sil™ Compression Dry Sacks. In this application, the laminate utilizes a 40 denier nylon face fabric: the material allows air to be pushed out of the dry sack/compression dry sack but prevents water from entering. This means you can compress the air out of a dry sack without needing a purge valve!.
  2. In the upper section of our Quagmire and Alpine Gaiters. In this application, the laminate utilizes a 70 denier nylon face fabric. The material allows perspiration to pass through easily but prevents external water from entering. The result: waterproof protection and superior breathability!

Tech Specs

Product Details

Best Use
Ski Touring, Mountaineering, Backpacking
Abrasion-resistant 900D nylon
Lace Hooks
316 stainless steel lace hook
70D eVent fabric
Upper Material
eVent fabric
15 in / 38 cm
14 in / 35.5 cm
5 to 7
11.2 oz / 320 g
6.5 to 8.5
15.5 in / 39.5 cm
15 in / 38 cm
7 to 9
11.2 oz / 320 g
8.5 to 10.5
16.5 in / 42 cm
16 in / 40.5 cm
9 to 11
12 oz / 340 g
10.5 to 12.5
17 in / 43 cm
17 in / 43 cm
11 to 13
12 oz / 340 g
12.5 to 14.5


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