Ensure your kids always knows what day of the week it is with these fun Days of The Week socks! Designed in black with colourful days of the week on the sole. These boys' socks come in a range of different sizes 12.5-3.5, 4-6.5 and 9-12 years.. 1 x Kids Zone Boys Day Of The Week Socks. 7 Pack. Sizes 12.5-3.5, 4-6.5, 9-12 years. Days of the week socks. 98% polyester, 2% elastane