Stretchy 94% polyester (35% recycled)/6% spandex jersey fabric provides superior mobility; with HeiQ® Pure odor control. Crewneck lies close to neck for better coverage. Rolled forward-shoulder seams prevent chafing under backpack straps. Underarm gusset panel keeps shirt from pulling up for comfortable mobility. Slight drop-tail hem for extra coverage; locker loop inside back neck. Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor. Features Stretch Fabric for Mobility Crewneck Details Rolled Seams Built for Movement Extra Coverage in Back Made in a Fair Trade Certified™ factory Made in Sri Lanka 102 g (3.6 oz) Materials 4.6-oz 94% polyester (35% recycled)/6% spandex jersey with HeiQ® Pure odor control Fabric is certified as bluesign® approved Made in a Fair Trade Certified™ factory Care Instructions Machine Wash Warm, Do Not Bleach, Tumble Dry Low, Cool Iron, Do Not Use Fabric Softeners Size & Fit Regular Fit Patagonia, Lightweight Travel Mini Hip Pack 1L