This Denali fleece jacket, made with Polartec Classic300 fleece, by The North Face was introduced in 1989 since when it has sold in millions. As of 2009 these jackets have switched to being made of fleece with 87% recycled content made up of 20 % post consumer recycling (PCR), mainly PET bottles, and 80% post industrial recycling (PIR), mainly yarn scraps. Each jacket, compared with those made with virgin polyester, saves the equivalent of 33 lbs of CO2 and 0.83 gallons of petrol per jacket. Fleeces made from 100% PET bottles are no longer commercially available. This is because supply of the bottles was unreliable, they can only be made into spun fibres which are not capable of producing such high-performance fabrics as filament fibres, the fleeces were a bit scratchy and the yarns very expensive. However, although each jacket includes some virgin polymer, the use overall of recycled materials is considerably higher.