Product OverviewStay warm and dry in these performance baselayer bottoms when your pace falls short of the advancing storm. Made with exceptional breathability and wicking and drying properties, they provide ultimate comfort beneath layers on chilly days. Open knit promotes airflow, is inherently stretchy and provides excellent wicking for endurance activities in cool to moderate temperatures Our fastest-drying baselayer fabric insulates enough for use on chilly days and can be worn beneath other layers Elastic waistband brushed for next-to-skin softness Gusseted crotch for unimpeded mobility 125 g (4.4 oz) Made in Mexico.SKU: PAT-44945Please note, we can not ship Patagonia outside of the United States.Fabric & CareFabric:3.6-oz (122-g) Polartec® Power Dry® 100% Polyester (Solids: 59% Recycled; Heathers: 43% Recycled) double knit, with Polygiene® permanent odor control.Material: We recycle used soda bottles, unusable second quality fabrics and worn out garments into polyester fibers to produce many of our clothes. Technology: The UV protection offered by this garment is rated "good."