Heimplanet Motion Arc 20L: One Bag for Commute and Trail

The Heimplanet Motion Arc 20L doesn’t try to be a tech backpack, a hiking pack, or a travel bag on its own, it tries to be whichever one you need that day. Underneath a clean 20-liter shell sits a lined 16-inch laptop compartment that doubles as a hydration bladder sleeve, a stretch-fabric front pocket built to dry out a wet jacket, and a back panel shaped to disappear once you forget you’re wearing it. It’s a backpack built around one idea: stop packing a different bag for every version of your day.

The main compartment opens through a U-shaped zip and holds a lined 16-inch laptop sleeve positioned a few centimeters above the base, so the laptop stays clear of the ground even if the pack gets set down hard. That same sleeve swaps roles for outdoor use, accepting a hydration bladder up to 2 liters, with Velcro openings on either side of the top handle routing the drinking tube over whichever shoulder you prefer. A small floating zip pocket above the laptop sleeve keeps a wallet or keys within reach without digging through the main compartment.

The front of the pack is where the Motion Arc earns its name. A large elastic, breathable panel stretches to swallow extra gear, a rolled-up rain jacket, a pair of sandals, an extra water bottle, without eating into the main compartment, and doubles as a place to dry damp clothing since moisture stays out of the interior. The shell itself is built from Heimplanet’s Diamond Rip-Stop Melange and DYECOSHELL nylon-polyester blend, a dope-dyed fabric the brand states uses a fraction of the water and chemicals of conventional dyeing while adding extra abrasion resistance.

Comfort comes from a 3D-molded EVA foam back panel and shoulder straps that use Heimplanet’s signature raised pattern, reducing the actual contact area between the pack and your back while keeping support where it matters. A removable chest strap adjusts for height, and the included hip belt can be swapped for Heimplanet’s separately sold hip belt pockets, small zippered pouches for a phone, keys, or earbuds that stay reachable without stopping to dig into the main pack.

At 0.81kg (1.8lbs) and 32 x 50 x 22cm, the Motion Arc 20L sits in the sweet spot between an everyday commuter bag and a light hiking pack. It carries a laptop and a change of clothes into the office on a Monday, then swaps to hydration-bladder mode for a weekend trail without a second bag. The elastic front pocket and removable hip belt pockets mean the same pack adapts rather than compromises across those uses, something dedicated commuter backpacks or dedicated hiking packs rarely manage together.

Heimplanet backs the Motion Arc 20L with its lifetime support program and is a registered member of 1% for the Planet, donating a share of revenue to environmental causes. For a backpack built to move between city and trail without changing bags, that combination of a genuinely adaptable interior, dope-dyed weatherproof fabric, and a company standing behind the product long after purchase is what separates the Motion Arc from a generic 20-liter daypack.