Features: 84% Polyester / 16% Spandex. Shell Fabric: Space Dyed Stripe Stretch Polyester Knit. White Shell Fabric: Textured Cooling and Wicking Stretch Polyester Knit. Sun Protection UPF 50. Exposed zipper with orbit logo pull. Mesh knit under arm and back panel for extra breathability. Thumbholes at cuff to help keep sleeves down and hands warm. Machine wash.