Columbia Women's Trail Bound Printed Leggings Shell: Polartec Microfleece 200 100% polyester. 100% nylon Omni-Wick Pant 4-way comfort stretch. Antimicrobial treatment protects this product from bacterial growth Stash pocket. Gusset detail Omni-Wick Evaporation 4-Way Comfort Stretch Antimicrobial Treatment Protects This Product From Bacterial Growth Gusset Detail