Fulfilled by our friends at VOORMILight and airy, our easy tanks are built using our lightest and most air permeable DUAL SURFACE(TM) wool, bringing together the perfect combination of moisture and odor management properties. You'll stay dry and comfortable no matter what activities you tackle. Made in the USA. splitsplitsplitDUAL SURFACE(TM) Precision Blended WoolFabric Weight: 100 g/m2Garment Weight: Women's M = 87g (0 lb. 3 oz.)