Details Patagonia R1 Air Zip Neck - Women's Fleece/Baselayer An alpine essential, Patagonia's R1 has been around for years, with a few little design tweaks here and there. The R1 Air Zip Neck features a new hollow-core fabric with a unique zigzag texture that wicks moisture, dries fast and is highly breathable for high-output activities. HeiQ® Fresh Tech helps to control odour. As with most Patagonia products, the R1 also uses recycled fibres from a labour-friendly supply chain. Exclusive to Patagonia, hollow-core fabric with a unique zigzag texture that wicks moisture, dries fast and is highly breathable for high-output activities. Off-shoulder seaming for comfort under a rucksack Half length front zip Left-chest pocket for easy stashing of small items Sleeves have discreet on-seam thumb holes for added coverage in cold conditions Quick-drying woven binding at the back hem and cuffs for added stretch and improved fit Fair Trade Certified™ sewn Specifications R1 Air Zip Neck - Women's Fleece