O Pioneers is a British slow fashion brand. The label was founded in Camden, North London by Clara Francis and Tania Hindmarch. Find preowned O Pioneers clothing on Depop. Shop secondhand dresses made from Liberty print fabrics. Explore used clothes with puffed sleeves, high necks and ruffled trims. Search for bib front prairie style midis with lace trims, pinafores and items with oversized collars. Look out for chunky knits, and tank to layer over outfits, alongside bonnets and more online.