onia Linen Cowl Back Maxi Dress in White. - size XL (also in XS, S, M, L) onia Linen Cowl Back Maxi Dress in White. - size XL (also in XS, S, M, L) 100% linen. Made in China. Hand wash. Unlined. Open back with back tie closure. Open knit fabric with side slits. ONIR-WD13. WC112-01-100. Carl Cunow and Nathan Romano co-founded onia in 2009, a lifestyle brand inspired by modern voyagers. From swimsuits to loungewear, overnight bags to beach blankets, the range is created with versatility in mind - seamlessly transitioning from the daily routine to faraway retreats, and with the ability to beautifully withstand the rigors of traveling. onia, which means 'sailboat' in Hebrew, represents Carl and Nathan's shared passion for adventure - whether on the sea or off the beaten path - journeys of discovery and fine craftsmanship, rooted in superior design.