It's a custom in Poland to wear a sock on a left foot if you already have a sock on the right foot : r/notinteresting
Amazon.com: Toddlers' Socks - Polish Flag & POLSKA: Infant And Toddler Socks: Clothing, Shoes & Jewelry
POLAND POLSKA POLAND " Socks for Sale by Chillaxo | Redbubble
Production of socks - Poland-export.com
Polska. Poland simple text" Socks by gmstockstudio | Redbubble
Poland Patterned Socks | DivvyUp
Warsaw Socks socks - castle Size 35-37
Polska Poland Polish Flag" Socks for Sale by Natalia-Art | Redbubble
Mens Poland Map Polish Flag Men's and Women's Cotton Comfortable Medium Stockings/Bags Outdoor Sports Competitive Mountaineering Hiking Socks at Amazon Men's Clothing store