Royal Robbins Women's Essential Tencel Tank Top 62% Polyester 33% Tencel Lyocell, 5% Spandex Imported Moisture wicking Eco-Conscious Lightweight and Stretch Luxurious softness and easy care from eco-conscious Tencel FABRIC: Essential Tencel Stretch Jersey. Hollow-core polyester adds warmth, eco-conscious Tencel adds a super soft hand and moisture wicking, and spandex provides shape retention to this comfortable, travel friendly knit. UPF 50 Plus Twist detail at neck Straight hem Quick dry wrinkle resistant Wrinkle resistant