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Unlike any midlayer bottoms you've ever worn, the Patagonia Nano-Air® Light Bottoms deliver warm, stretchy and breathable performance for moving fast in cold climates. Inseam length is 31".
Available in store
CloseLight yet durable 100% recycled polyester ripstop shell and lining offer generous mechanical stretch and exceptional breathability, with a durable water repellent (DWR) finish made without perfluorinated chemicals (PFCs/PFAS) to shed moisture
Revolutionary 40-g FullRange® insulation is warm and stretchy, and combined with the shell and lining, creates pants with excellent stretch and unprecedented air permeability
Slim-fitting and patterned to reduce bulky seams and maximize mobility
Pull-on pants with a smooth, stretchy waistband and an internal drawcord adjustment layer comfortably under a harness
Zippered right-thigh pocket stays out of the way of harness leg loops
Cuffs feature quick-drying recycled nylon/spandex knit for enhanced stretch and movement, and push up easily to stretch over or tuck into alpine boots
Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor