Sea to Summit Dry Bag Sling Review

The black Sea to Summit dry bag sling attached to a khaki dry bag on the rocks by the sea
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A dry bag keeps things dry, but it’s one more thing to carry in your hands. The Sea to Summit Dry Bag Sling is just a shoulder strap: it clips onto a compatible Sea to Summit dry bag and turns it into a shoulder bag. It cost us $15, and we’ve used it on coastal walks and river outings.

The boxes of the Sea to Summit Dry Bag Sling and the 1.5 L Lightweight Dry Bag on the grass
Sold separately: the sling and the 1.5 L dry bag it fits

What’s in the box

A 60 g nylon webbing strap with a padded 3D mesh shoulder section, a Field Repair ladderlock buckle to adjust the length and a rotating snap hook with a D-ring at each end, plus a small storage bag. It carries up to 9 kg and fits 2023-and-newer Sea to Summit Evac, Lightweight, Lightweight View and Big River dry bags from 5 to 35 litres. The dry bag isn’t included.

What we like

  • Only 60 g
  • Padded mesh shoulder section
  • Field Repair ladderlock
  • Rotating hooks stop twists
  • Carries up to 9 kg

What we don’t

  • Dry bag sold separately
  • Fits newer StS bags only
  • Fiddly to unclip

Quick Specs

Spec Details
BrandSea to Summit
MaterialNylon webbingAluminiumPOM buckles
ColourJet Black
Weight60 g
Max load9 kg
Fits2023+ EvacLightweightLightweight ViewBig River5–35 L
IncludedStorage bag

Build

The webbing is thick and doesn’t stretch, and the aluminium and POM hardware feels solid. The ladderlock is Sea to Summit’s Field Repair buckle, so you can fix it on the trail if it breaks. The snap hooks rotate, which stops the strap twisting as you walk, and the D-ring on each hook gives you a spot to clip a small carabiner.

The black webbing and buckle of the Sea to Summit dry bag sling against the khaki dry bag
Plain black webbing, so it goes with any colour bag
The sling's clip hooked to the buckle on the rolled top of the 1.5 L Sea to Summit dry bag
The sling clips to the buckle on the roll top
The Sea to Summit dry bag sling lying across the folded dry bag on a lichen-covered rock
Woven nylon webbing that does not stretch

Using It

One hook clips to the D-ring on the bag’s roll-top and the other to the lash point at the base, and it’s on in seconds. Shorten it to carry the bag by hand, or lengthen it to wear across your body. The padded section spreads the weight on your shoulder, so a full bag doesn’t dig in the way a thin strap does, and both hands stay free for a paddle or a scramble down to the water. Clipping it off again takes a little fiddling with the hooks.

The Sea to Summit dry bag sling on a kitchen scale reading 59 g
60 g on the scale

Which Bags It Fits

It only works with the newer Sea to Summit dry bags that have a lash point at the base and a D-ring on the buckle: the Evac, Lightweight, Lightweight View and Big River, from 5 to 35 litres, made from 2023 on. Check your bag before you buy; older bags and other brands won’t take it.

Conclusion: Sea to Summit Sling Dry Bag Regular

The Sea to Summit Dry Bag Sling is a small accessory that makes a dry bag much easier to carry: a 60 g strap with a padded shoulder section, a field-repairable buckle and rotating hooks, good for up to 9 kg. The bag is sold separately, it only fits newer Sea to Summit dry bags and taking it off is a little fiddly, but for $15 it’s worth having if you already own one.

9.1/10
The verdictField-tested rating

Both hands free.

On coastal walks and river outings it turned our dry bag into a shoulder bag that sits comfortably, and at 60 g it packs into nothing. It only fits 2023-and-newer Sea to Summit dry bags, and the bag is sold separately.

Best for
  • Hikers
  • Paddlers
  • Ultralight
Worth the money?Value 8.8

Yes, if you own a compatible dry bag. I paid $15 for a 60 g strap that carries up to 9 kg comfortably. It only fits newer Sea to Summit bags.

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FAQ: Sea to Summit dry bag sling

Which dry bags work with the Sea to Summit Sling Dry Bag?
The Sea to Summit dry bag sling is only compatible with certain bags from 2023 and newer. You need to look for a base lash point and a D-ring. It works great with the Evac, Lightweight, Lightweight View, and Big River dry bags in the 5-litre to 35-litre sizes.
How much weight can the Sea to Summit dry bag sling actually carry?
This sling is designed for comfort and light loads. It safely handles gear weighing up to 9 kg. The nylon webbing is very strong, and the 3D mesh pad makes carrying that much weight quite comfortable across your shoulder for short distances.
Is the Sea to Summit dry bag sling waterproof on its own?
No, the Sea to Summit dry bag sling is only a strap for carrying. It is made of fast-drying nylon, but it is not waterproof. It is meant to attach to a separate, fully waterproof dry bag, allowing you to carry your gear hands-free.

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