Details Add a layer with this cozy thermal henley. Made of our super-soft EcoKnit(TM) blend in a comfy waffle-knit construction. 60% organic cotton, 40% recycled polyester 220 GSM heavyweight waffle knit Slim fit, long-sleeve henley with contrast fabric and ring snaps at placket. Machine wash cold, line dry To avoid microplastic shedding in the wash, we recommend using a Guppyfriend Washing Bag Made responsibly in China