Crew height sustainable Moisture Wicking novelty socks Super-soft Rayon Blend w/ cats in cups pattern Soft and sustainable rayon yarn The best part of waking up is… cats in your cup? Well yeah, especially in our Cup o' Cats rayon blend Crew Socks. These cozy socks do more than show off your personality, made from quality rayon yarns that provide day-through-night-comfort. Rayon is one of Earth's most sustainable crops, helping you make your closet eco-conscious.