From catwalk versions to online vintage finds, the workwear staple is being recast as a marker of laidback cool From catwalk versions to online vintage finds, the workwear staple is being recast as a marker of laidback cool I n many wardrobes, the thick, checked shirt is usually found among the gardening clothes, or it might be worn as an extra layer on a bitterly cold day. But, in 2026, for the first time since the 90s, it’s becoming a bona fide fashion item. Flannel shirts have recently been