Beach Lunch Lounge Women's Blue Button Up Long Sleeve With Glasses NWT Size M. The Beach Lunch Lounge Women's Blue Button-Up Long Sleeve Shirt in size M is a stylish and lightweight top perfect for a casual beach vibe. Made from viscose material, this shirt features long sleeves, a button closure, and a classic blue color that is versatile for various outfit styles. The brand's beach theme adds a fun and relaxed touch to this basic button-up shirt, making it a perfect choice for a day out in the sun. Shoulder to Shoulder 19, Armpit to Armpit 25 Length 28 and Sleeves 26 Inches.