After trying it on, it was washed once, folded, and stored indoors. I think it can be worn by junior high and high school students under their uniforms, or as an outer layer in spring and autumn. Navy ZETT long-sleeved turtleneck jacket with gray accents on the sides. - Brand: ZETT - Color: Navy - Design: Long sleeve, turtleneck - Material: Polyester - Features: Gray accents on the sides Thank you for viewing. Wind shirt Windbreaker Undershirt Cold protection