All tees 100%  cotton, 6.0oz

Japanese-made and imported. 

Sizing 

S – Length (27.5 in) Shoulder width (20.8 in) Width (22.8 in) , Sleeve length (7.9 in

M – Length (28.3in ) Shoulder width (21.5in) Width (23.8in) , Sleeve length (8.2in

L – Length (29 in ) Shoulder width (22in) Width (24.8in) , Sleeve length (8.6in

XL- Length (30 in ) Shoulder width (22.5 in) Width (25.8in) , Sleeve length (9 in)