Product details:
Features of the EXOFFICIO WOMEN'S HYALITE UPF 50 LONG-SLEEVE SHIRT Lightweight, moisture-wicking polyester fabric Sun protection with an ultraviolet protection factor (UPF) of 50 Offset shoulder and side seams for additional comfort when traveling with or without a backpack; flatlock seam construction for chafe-free comfort Thumbholes for hand warmth and easy layering Snap henley placket Fabric Details 100#37; Polyester