100% recycled polyester fabric has hollow-core yarns and a diamond-grid back to trap warm air, wick moisture and dry fast; with HeiQ® Mint odor control. Zip-neck pullover top has stand-up, doubled-fabric collar with internal neck tape for comfort and a locker loop for hang-drying. Deep, center-front zipper vents body heat and has a kissing-welt zipper garage for low-bulk comfort next-to-skin. Raglan sleeves for mobility and comfort under pack straps; thumb holes at sleeve openings for secure hand coverage. Forward-set, flatlock seams for a great fit and to minimize chafing; low-bulk construction for easy layering under midlayers and outerwear. Drop-tail hem provides additional coverage in back. Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor. Features Recycled Polyester Fabric Zip-Neck Pullover Styling with Stand-Up Collar Deep, Center-Front Zipper Raglan Sleeves Flatlock Seams and Low-Bulk Construction Drop-Tail Hem Durably Built and Made in a Fair Trade Certified™ Factory Made in Sri Lanka. 130 g (4.6 oz) Materials 4.3-oz (147-g) 100% recycled polyester diamond-grid double knit with HeiQ® Mint odor control Made in a Fair Trade Certified™ factory Care InstructionsMachine Wash Warm, Do Not Bleach, Tumble Dry Low, Cool Iron, Do Not Use Fabric Softeners Patagonia, Kids' Capilene® Midweight Zip-Neck