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Sea to Summit

Evac Ultralight Compression Dry Bag

$39.89 $49.99
20% off
Colour: High Rise
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Description

The Sea to Summit Evac Ultralight Compression Dry Bag is a roll-top dry bag that squashes your sleeping bag down and keeps it dry inside your pack, for 57 g in the 3 L size. Roll the top, pull the straps, and the air escapes through the Evac base while the water stays out. It is made from 30D Ultra-Sil nylon for walkers and bikepackers who count every gram.

What it keeps dry, and how dry

The Ultra-Sil fabric is polyurethane-coated inside with a 2000 mm hydrostatic head, and the seams are double-stitched then tape-sealed. The base is Evac fabric, a waterproof laminate that lets air through, so there is no purge valve to carry or to leave open. The roll-top is hypalon and closes with a buckle.

This is the bag for inside a pack, a pannier or a bike bag: the place your quilt lives when the pack has been rained on since Pelion Hut and everything else is damp. For a bag that rides on deck or gets dragged over rock, we'd give you the Evac Lightweight Compression Dry Bag in tougher 70D nylon.

Capacity and what fits

  • 3 L (57 g): a light down jacket, or spare socks, beanie and gloves.
  • 5 L (64 g): a down jacket, or a summer quilt.
  • 8 L (76 g): a compact down sleeping bag, or jacket and thermals together.
  • 13 L (94 g): a three-season down sleeping bag.
  • 20 L (110 g): a synthetic or winter sleeping bag.

Between two sizes? We'd take the bigger one. A bag with room to spare rolls shut properly, and the straps take up the slack.

Material and durability

Ultra-Sil is a 30 denier nylon woven with CORDURA yarns for strength, bluesign approved, with a PFAS-free water-repellent finish on the outside. The strap anchor points are reinforced with extra stitching, so you can fill the bag right up and still haul on the straps.

The roll-top closes with a 15 mm Field Repair Buckle: if one breaks mid-trip, a new buckle goes on and the bag carries on.

Packing and carrying

The 3 L, 5 L and 8 L have three compression straps and the 13 L and 20 L have four, pulling the load down evenly into a neat round cylinder. Once it is compressed, push it straight into a tight spot in your pack so it cannot draw air back in. The bottom of the pack under everything else is ideal.

Specifications
  • Capacity
    3 L, 5 L, 8 L, 13 L or 20 L
  • Dimensions
    3 L: 13.2 x 13.2 x 26.7 cm; 5 L: 15.2 x 15.2 x 31.5 cm; 8 L: 17.9 x 17.9 x 37.7 cm; 13 L: 21 x 21 x 43.2 cm; 20 L: 24.2 x 24.2 x 47.6 cm
  • Material
    30D Ultra-Sil CORDURA nylon, polyurethane-coated, bluesign approved; Evac air-permeable base; hypalon roll-top
  • Weight
    3 L: 57 g; 5 L: 64 g; 8 L: 76 g; 13 L: 94 g; 20 L: 110 g
  • Size Range
    Head: Small - 51-55cm, Medium - 54-58cm, Large - 57-61cm
  • Packed Dimensions
    3L: 10 x 3.5 x 19.5cm, 5L: 10 x 3.5 x 21.4cm, 8L: 10 x 3.5 x 23.2cm, 13L: 10 x 3.5 x 25cm, 20L: 10 x 3.5 x 27cm
  • Water Resistance
    2000 mm hydrostatic head; taped seams
  • Shape
    Round

Sizing Guide

Additional Information
  • Five sizes from 3 L (57 g) to 20 L (110 g)
  • 30D Ultra-Sil CORDURA nylon, bluesign approved
  • 2000 mm hydrostatic head with taped seams
  • Air-permeable Evac base pushes air out, no purge valve
  • Three compression straps on 3 L to 8 L, four on 13 L and 20 L
  • Roll-top closure with a 15 mm Field Repair Buckle
  • Made for inside a pack, pannier or bike bag
  • PFAS-free water-repellent finish

FAQ's

Is the Evac Ultralight Compression Dry Bag waterproof?
The Evac Ultralight Compression Dry Bag has a 2000 mm hydrostatic head, taped seams and a roll-top closure, which keeps a sleeping bag or clothing dry inside a pack, duffle or bike bag, even when the pack itself is wet through.

Can you use the Evac Ultralight Compression Dry Bag for kayaking?
The Evac Ultralight Compression Dry Bag is made for use inside a pack or bike bag. For kayaking, rafting and anything carried outside, choose the Evac Lightweight Compression Dry Bag, which has tougher 70D fabric and a 10,000 mm hydrostatic head.

How much does the Evac Ultralight Compression Dry Bag weigh?
The Evac Ultralight Compression Dry Bag weighs 57 g in the 3 L, 64 g in the 5 L, 76 g in the 8 L, 94 g in the 13 L and 110 g in the 20 L.

How does the Evac compression dry bag let air out without a valve?
The base of the Evac Ultralight Compression Dry Bag is an air-permeable, waterproof laminate. Tightening the straps pushes air out through the base and water cannot come back in, so the bag needs no purge valve.

What size compression dry bag fits a down sleeping bag?
Most three-season down sleeping bags suit the 13 L Evac Ultralight Compression Dry Bag, and compact summer bags and quilts the 8 L. Choose the larger size if you are between two, because the top rolls shut more easily.

How many compression straps does the Evac Ultralight Compression Dry Bag have?
The 3 L, 5 L and 8 L Evac Ultralight Compression Dry Bags have three compression straps: two with ladderlock buckles and one with a side-release buckle. The 13 L and 20 L have four, with two of each.

What is the difference between the Evac Ultralight and Evac Lightweight compression dry bags?
The Evac Ultralight Compression Dry Bag uses 30D Ultra-Sil nylon with a 2000 mm hydrostatic head and is made for inside a pack. The Evac Lightweight uses 70D nylon with a 10,000 mm hydrostatic head and handles paddling and outside carry.