100 % recycled fleece pullover for demanding activities in the cold . the patagonia r1 air zip neck fleece pullover features the quick-drying, lightweight, technical r1® air fleece.the 100 % recycled hollow-fibre fabric with an exclusive zigzag structure wicks away moisture and is extremely breathable. in addition, patagonia's heiq® fresh odour inhibitor ensures a fresh feeling without annoying odours.