Polar Fleece was created in the 1970s. Sometime later its production became mostly from recycled materials. While we’ve seen TV shows and read articles about the fabric’s construction, it’s still a interesting to learn how oil, or a soda bottle, becomes a fuzzy, warm fabric.
–Audio after the jump–
WNYC public radio did a segment on the construction of polyester and synthetics, which includes polar fleece. Listen to the half-hour segment here, or on the WNYC website.