Popsugar Fashion Spring Fashion Mary-Kate and Ashley Olsen Wearing Birkenstocks The Olsens Are Twinning For the First Time in Decades March 25, 2014 by Leah Melby View On One Page Photo 8 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Topshop brown leather double-strap cork flat sandals ($65) Topshop brown leather double-strap cork flat sandals $65 from us.topshop.com Buy Now Previous Next Start Slideshow Ashley OlsenMary-Kate OlsenSpring FashionFashion TrendsGet The Look