Made of knitted fabric with very stretchy leg and neck contours. Male random color and pattern ( Choose your size ) XXL (20) = Back length 50 cm Chest circumference 40 cm Neck circumference 22 cm XL (18) = Back length 45 1/2 cm Chest circumference 37 cm Neck circumference 22 cm L (16) = Back length 40 1/ cm Chest circumference 33 cm Neck circumference 20 cm M (14) = Back length 35 1/2 cm Chest circumference 32 cm Neck circumference 19 cm S (12) = Back length 30 1/2 cm Chest circumference 29 cm Neck circumference 16 cm XS (10) = Back length 25 cm Chest circumference 26 cm Neck circumference 14cm