Mens Cotton Rich Days Of The Week Socks (Pack Of 7) Cotton, Polyester, Elastane Mens cotton rich socks with days of the week text designs. One pair for each day of the week. Colored heels and toes. UK 6-11, EUR 39-45. Material: 46% Polyester, 42% Cotton, 6% Acrylic, 5% Polyamide and 1% Elastane.