Still thin and soft, but slightly warmer for those cool autumn and winter nights. It's not a heavy flannel, just a light one.

This brown plaid is super nice, well I reckon anyway. With tabs so you can roll up the sleeves, too. Hot stuff.

Chest measurements are taken across the front of the shirt, under the arms. Length is measured from shoulder to hem.
Large: chest = 53cm, length = 66cm
Extra-large: chest = 55.5cm, length = 67cm