Because of the delicate design requiring sublimation print these socks are specially crafted joining two parts together. 

Material, Bamboo 50% Cotton 30% Polyester 15% Spandex 5% 
 
Also available in  RED, ORANGE, GREEN 
 
Size details below 

S = 3-5 UK 
M = 6- 8 UK
L = 8- 10 UK
XL = 10- 12 UK