First Lite - Women's 170g Syringa Merino Short - 17.5 micron ultrafine Merino wool Rear yoke, 3 self-waistband and 2 fold over leg band for female specific fit Pure Merino Wool is naturally antibacterial, meaning there is no treatment necessary to retain its odor resistant quality even when used for several days in a row Covered by First Lite's Warranty