8 oz./yd² (US), 13.5 oz./L yd (CA), 60/40 BCI cotton/polyester; Moisture-wicking performance; UPF 50+ protection; Dyed-to-match drawcord at neck; Side vents; Front hand warmer pocket with invisible zippers; Thumbhole on cuffs; High-low hem; The cotton content in this style is sourced from a verified member of the Better Cotton Initiative (BCI). BCI members support more sustainable cotton farming via a system of mass balance;