- Men’s 2-in-1 T-shirt - On top: grey T-shirt, button-neck, long sleeves - Waffle knit, contrasting tab on neck - Buttons under a placket to fasten and 1 press stud - Outer: off-white T-shirt, round neck, long sleeves Recommended price RRP in 2023 (£ rates: RRP for Great Britain in 2023) On top you have a grey button-neck T-shirt. Underneath an off-white T-shirt. What do they have in common? Long sleeves and stylish fits, together or on their own.