Dual devices need a defined layout
The 26-liter T77 has a clamshell main compartment, separate laptop and tablet areas, quick-access pockets and a luggage strap. The maker lists support for up to a sixteen-inch laptop and thirteen-inch tablet, with an external size around 18.9 by 12.2 by 8.46 inches.
Verify the physical devices and their covers, then consider the remaining load. A laptop fit claim does not describe how a packed charger, lunch and jacket alter the experience. Check the exact 26-liter version because the T77 family has other sizes.
Do not treat travel wording as airline approval
The manufacturer uses carry-on and under-seat language, but the actual airline and loaded dimensions decide the allowance. We have not tested under-seat fit, harness comfort or device protection. Choose this candidate for a repeated dual-device commute with a layout that keeps essentials reachable. A smaller bag may be better if the extra capacity mostly remains empty. The buying case is organized work carry, not the assumption that every twenty-six-liter backpack fits every flight or makes a heavy load effortless.
The decision before checkout
The manufacturer describes up to a 16-inch laptop and 13-inch tablet, but physical device and cover dimensions remain the fit check. Check the 26L version, not neighboring T77 sizes. Carry-on and under-seat wording is not approval from every airline, particularly when the bag is fully loaded.
