Details Patagonia's lightweight tank in a classic pocket-tee silhouette, made from a 60% organic cotton/40% recycled polyester slub-knit jersey fabric. Material 3.7-oz (stripes: 3.6-oz) 60% organic cotton/40% recycled polyester slub-knit jersey Fit Regular fit Details A go-to tank made of a 60% organic cotton/40% recycled polyester blend Sporty tank silhouette allows for comfort and movement in any activity Left-chest patch pocket Hip length Weight 82 g (2.9 oz) Patagonia Mainstay Tank Women's