Crew neck. Side seams. Slim fit. Solid Colours: 100% Cotton, Neon Colours: 52% Cotton 48% Polyester, Athletic Heather: 90% Cotton 10% Polyester, Triblend Colours: 50% Polyester 25% Cotton 25% Rayon.(Chest To Fit - Inches): XS- 31-34, S- 34-37, M- 38-41, L- 42-45, XL- 46-49, 2XL- 50-53. Ref: UTBC1335