The newer MacBook Air laptops are even thinner and lighter at 11.97 x 8.46 x 0.44 inches and 2.7 pounds, but the older M1 Air won’t break your spine if you’re carrying it in your backpack.

M1 MacBook Air. 13.3-inch Retina display; 400 nits brightness; Apple ‌M1‌ chip with up to 8-core GPU; 68.25GB/s memory bandwidth; 8GB and 16GB unified memory configurations ...