New at Royal Delft: socks made in collaboration with ONSocks. ON Socks makes series of 5 unique socks that can be worn in each desired combination: Dare To Wear Different. 5 different socks, 5 different designs, that all capture the power, diversity and timelessness of Delft Blue. Mix and match 2 different socks in 10 different ways to one Delft Blue pair. Each combination leads to something new, something good always Delft Blue. Size 36-42.