ON socks

ON socks: 2 feet, 5 socks, 10 possibilities to wear a unique pair of socks. Always beautiful, slightly different and you never miss out! Dare to wear different. That is the philosophy of ON socks founders Reinier, Lodewijk and Matthijs.

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Delft Blue Socks
Set of 5 different designs
size 40 - 46

5 different Delft blue socks from ON socks in collaboration with Royal Delft. 5 different designs that match in each of the 10 combinations, but you always have a pair of 2 different socks! Original & comfortable (70% cotton - 85% recycled -, spandex, polyamide and natural rubber). Dear to wear different!


Availability: Out of stock

  •  Worldwide delivery, within a week
  •  1000+ Dutch Designs, for yourself or as a gift
  •  14 days return period, no questions asked




Delft Blue Socks - Set of 5 different

Original socks with more than a touch of Dutch: Delft blue socks from Royal Delft made in collaboration with ON socks. They specialize in series of 5 unique socks that fit together in any combination: Dare To Wear Different! 5 different socks, 5 different designs, all of which capture the strength, diversity, and timelessness of Delft Blue. Mix and match 2 different socks in 10 different combinations into one Delft Blue pair. Every combination leads to something new, something good, and always Delft Blue. And then you can also swap left and right.

Delft Blue: typical Dutch?

The origins of the world-famous Delft pottery date back to the early 1600s. In the 17th century, the VOC (Dutch East India Company) ships brought back Chinese porcelain decorated in blue on white. This porcelain soon became very popular amongst the upper-class at the time, including the European royal houses. When imports ceased due to the civil war in China, the Dutch potters immediately seized their chance and started producing imitations of the blue on white decorated porcelain. This was the start of the Dutch production of Delft blue, which is now famous as Dutch produce worldwide.

ON socks

2 feet, 5 socks, 10 possibilities to wear a unique pair of socks. A concept of "Dare to Differ" by founders Reinier, Lodewijk, and Matthijs. Dare to Differ wants to be "different" (vs indifferent) and looks at the world inquisitive. Could it be better, should it be different, could it be more beautiful? Looking with a different eye provides new insights. Sometimes big, sometimes small. They convert these insights into questions and sometimes also into answers. In products. In services. And so it went with ON socks.

Product specifications
Brand : ON socks and Royal Delft
Color : 4 Delft Blue, 1 polychrome
Material : 70% cotton (85% recycled), 19% spandex,
  7% polyamide, 4% natural rubber
Size : 40 - 46 EU, 6 - 11 UK, 8,5 - 12 USA
Shipping Service
  • Delivery in the Netherlands, Germany and Belgium
  • Fixed package rate € 4,95 NL, € 7,95 BE/DE
  • Envelope NL (busstuk) € 2,95
  • Ordered before 21:00 delivered the next working day in NL
  • Ordered before 21:00, delivery after 2 working days in GE and BE
  • International Delivery
  • Rate depends on weight and destination
  • You can always see the delivery costs for your order in your order overview before you pay
  • Delivery depending on destination in 2 to 14 days
  • See for more delivery information 'delivery'


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Delft Blue Socks ON Socks & Royal Delft Set of 5 different socks