Madewell Knit Lightspun Camp Shirt in Tan. Coming in a knit version of our double-layered Lightspun, this button-up camp shirt is a vacation no-brainer (you can even wear it as a cover-up). Just don't forget to pack it! • Regular fit • Two front pockets • 99% Cotton, 1% Elastane Do Well: We partner with the Better Cotton Initiative to improve cotton farming globally.