This long-sleeve, button-front top from Derek Lam 10 Crosby is crafted of a cotton blend.<ul><li>Spread collar</li><li>Long sleves, button cuffs</li><li>Button-front closure</li><li>58% polyester/42% cotton</li><li>Dry clean</li><li>Imported</li></ul><div><br><b><span style="font-size: 12px;">SIZE &amp; FIT</span></b></div><ul><li>About 23" from shoulder to hem</li><li>Bust: about 39.5"</li><li><span style="font-size: 12px;">Model measurements: 5'10&#148; tall</span></li><li><span style="font-size: 12px;">Model is wearing a US size Small</span></li></ul><div><span style="font-size: 12px;">Please note: This item runs large.</span></div><br><br><b>ABOUT THE BRAND</b><br><br>Eight years after founding his eponymous brand, Derek Lam launched Derek Lam 10 Crosby in 2011, named after the address of his New York City office. Staying true to his downtown aesthetic, Lam designs feminine, relaxed pieces for all occasions.