POWER KING 30L Expandable to 40L Lightweight Hiking Backpack, White

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amazon.co.uk (as of 30/07/2026 18:29 UTC) - Details
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POWER KING expandable roll-top hiking backpack for everyday outdoor use

A lightweight roll-top hiking backpack that expands from 30L to 40L, with multiple pockets and space for a 15.6-inch laptop.

The POWER KING hiking backpack starts at 30L and expands to 40L, so you can make a little extra room when your plans or packing list grow. Its roll-top design gives you flexibility over the main compartment, and the multiple pockets make it easier to keep smaller items sorted and close at hand.

It is described as lightweight and suitable for both women and men. For comfort on longer walks or travel days, it includes a breathable back panel, adjustable shoulder straps, a chest strap and a waist belt to help with fit and weight distribution.

What the storage layout is designed for

  • A roomy main compartment for larger items
  • Multiple pockets for smaller essentials
  • Secure zipper closure to help keep contents in place
  • Space for a 15.6-inch laptop

Materials and outdoor use

The listing says the pack is made from premium X-PAC diamond mesh composite fabrics and describes it as water-resistant and scratch-proof. It is positioned for hiking, camping and travel, and the product copy also mentions a maximum load capacity of 50L.

The stated unfolded size is 48 x 32 x 12 cm.

Things to keep in mind

  • The title and feature text mention different expanded capacities, so the exact usable volume is not entirely clear from the source data.
  • White outdoor packs can show marks more easily than darker colours.
  • With a roll-top bag, the final carrying space depends on how full the main compartment is and how the top is secured.