SIR. Yes Sir Fitted Tee is a slim-fit tee from SIR. designed with contrast trim and a subtle 'YES SIR.' front detail for elevated everyday wear. Key attributes: Ivory | Cotton | Slight stretch | Crew (round) neck | Short sleeves | Contrast trim at neck and sleeves | Front 'YES SIR.' logo detail | Dimensions & fit: Slim fit | True to size | Composition & care: 86% cotton, 14% spandex | Cold gentle machine wash with similar colours; wash inside out; avoid contact with light-coloured fabrics; do not bleach; do not tumble dry; line dry; warm iron on reverse.