Crew Height Sustainable Fabric Stay Up Fit Durable and Resilient Knit Say hello to our indulgently soft, extraordinarily cozy, Cruise Ship Crew Socks. A real treat for your feet, our rayon from rayon blend is made from ultra-fine yarn for a luxuriously smooth feel. They're naturally lightweight and moisture wicking, designed to provide just the right amount of tension, support, and stretch so you can feel your best all day long.