Mens Wayward Sentinel Long Sleeve Shirt XL - Charcoal - Large. With updated modernized style lines and a new stretch fabric, the lightweight insect repellent Wayward Sentinel L/S Shirt is a low-key travel shirt that doesnât scream âTOURIST!â UPF 50+ fabric keeps the sun off your skin, quick-dry polyester lets you rapidly transition from the trail to an evening out, and a stealth passport chest pocket secures crucial documents.