10-oz 100% recycled polyester knit fleece dyed with a low-impact process that significantly reduces the use of dyestuffs, energy and water compared to conventional dyeing methods. Fabric is certified as bluesign® approved. Fair Trade Certified™ sewn. Since 1985, Patagonia has pledged 1% of sales to the preservation and restoration of the natural environment. Patagonia’s WornWear initiatve help them to repair, share or recycle your garments to help avoid landfill.