Waterproof Backpack

Whether you are cycling through city showers, walking a Scottish hill in the mist or keeping electronics safe on the water, what separates dry kit from damp regrets is not the fabric. It is the closure and the seams. This collection holds roll-top packs with welded seams, roll-top packs with sewn seams, and zipped water-resistant packs, and every product page says which one it is.

Water-resistant or waterproof? The closure decides

A roll-top is folded over on itself several times and clipped, leaving no opening for water to find. A zip, even a coated one, is a line of interlocking teeth: it slows water down, it does not stop it. That single difference explains most of the disappointment in this category, and it is why we lead with the closure rather than with the word waterproof.

So: water-resistant packs handle a shower and a splash. They do not handle a sustained downpour or immersion. Truly waterproof packs use a roll-top closure and sealed seams together. Both kinds are useful, and both are here, but they are not the same purchase.

Why seams matter as much as the closure

Sewing joins two panels by making a row of holes through both. The fabric can be entirely waterproof and water will still work through those needle holes when it is driven against them. Welding fuses the panels instead, with no holes at all, which is why sealed construction costs more and why it is worth knowing which one you are buying.

About ratings in mm and IP

You will see IPX and hydrostatic head figures quoted across this category, and they are a useful guide when a manufacturer publishes them. Ours generally do not. Rather than invent a number or borrow one from another brand, we describe the construction: closure type, seam type, fabric and coating where the maker gives them. On this range that tells you more about real performance than a figure with no test behind it.

What experienced users actually do

They use a liner. Soldiers, hillwalkers and anglers who have been caught out once tend not to trust any pack on its own: they put a dry bag inside it for the sleeping bag, the spare layers and the electronics. It costs very little, weighs almost nothing, and turns a soaked pack into an inconvenience rather than a ruined trip. On the water-resistant models here, treat it as part of the plan rather than an extra. See dry bags and waterproof bags.

Capacity and carry

A 20 to 25 litre pack suits a day out or a commute. From 30 to 45 litres gives room for layers and supplies on longer trips. Above that you are into rucksack territory, where the harness matters more than anything else: see bergen rucksacks and military backpacks. Where a maker states dimensions or an empty weight they are on the product page, and where they do not, we leave the figure out rather than invent it.

Looking after it

Rinse mud and salt off and let the pack dry fully before storing it, because grit is what wears a roll-top closure and a zip alike. Keep the closure clean so it rolls flat and seals properly, and ease a zip slider rather than forcing it: a distorted zip stops resisting water long before it stops working.

Free UK delivery and 30-day returns

Every pack ships free to UK addresses, fully tracked. Orders are processed within 3 to 5 business days and delivered within 10 to 20 business days, and that timeline is stated here rather than promised short and missed. Returns or exchange within 30 days of delivery, unused and in original condition, approved before being sent back, with the refund issued within 7 days of return acceptance.