The block colours are- then the marl ones are a cotton/polyester mix
Relaxed Fit
6.75 oz/yd² - 229 gsm
Black , Botanic Green , Charcoal , Navy , Peat , White 100% Cotton
Dark Barn Red Heather , Dark Cobalt Blue Heather , Dusk Blue Heather , Iron Ore Heather , Olivine Heather , Winter Moss Heather 60% Cotton/40% Polyester
Heather Grey 90% Cotton/10% Polyester
I sized down as recommended, from medium to small, and they're pretty much perfect. Cut a little longer than most t-shirts but that suits me just fine at 6ft.
The block colours are- then the marl ones are a cotton/polyester mix
Relaxed Fit
6.75 oz/yd² - 229 gsm
Black , Botanic Green , Charcoal , Navy , Peat , White 100% Cotton
Dark Barn Red Heather , Dark Cobalt Blue Heather , Dusk Blue Heather , Iron Ore Heather , Olivine Heather , Winter Moss Heather 60% Cotton/40% Polyester
Heather Grey 90% Cotton/10% Polyester