Muscle fit – our tightest option, closely fitted through the chest, waist and hem Stretch fabrication Crew neck Sleeveless 92% Cotton, 8% Elastane Machine washable Our model Louis wears a size medium Model measurements: Height: 6'0"/1.83m, Chest: 37"/94cm, Waist: 31"/79cm Part of the 2 for £12 multi buy offer.