R13 Plaid Oversized Boxy Shirt in Red Plaid - Red. Size S (also in XS). 100% cotton. Made in China. Machine wash. Front button closure. Breast patch pockets. R13-WS291. R13W9431-R201B. About the designer: Since its debut in 2009, R13's avant-garde denim silhouettes have garnered a cult status among those aiming to capture the rebellious American spirit. To achieve a vintage feel that doesn't warp or stretch, R13 uses Italian and Turkish denim produced in Italy, which features pure indigo casting along with machine hand washing techniques. The look is sharp and edgy, fit for the person who is effortlessly cool and fashion forward in their style.