One Teaspoon Olivia Aviator Jumpsuit in Red. Size XS, S, L. 100% cotton. Made in China. Machine wash. Front zipper closure. Elastic waistband. 6-pocket styling. Relaxed fit. ONET-WC21. 24572. Australian designer Jamie Blakey sewed her first collection in her very own bedroom. Now, nearly a decade later, her Sydney-based line has found an international fan base. Known for clothing that is casual and beachy, One Teaspoon offers pieces that are effortless, cool, and still have that handmade feel.