PATAGONIA CAPILENE HEAVYWEIGHT ZIP-NECK - KIDS'Versatile enough to be worn on its own or as a midlayer, the Capilene(R) Heavyweight Zip-Neck is made of a polyester/spandex blend that's warm, wicks moisture and dries quickly for comfort in a range of temperatures; with HeiQ(R) Fresh durable odor control. Fair Trade Certified(TM) sewn. FEATURESSoft polyester/spandex blend stretches and has a jersey face with a grid back; with HeiQ(R) Fresh durable odor control; Fair Trade Certified(TM) sewnFabric is soft and cozy next to skin and provides superior warmth and moisture managementSelf-fabric backing on collar with internal neck tape for comfort; locker loop for hang-dryingDeep, center-front zipper vents body heat and has a kissing-welt zipper garage for low-bulk comfort next to skinElastic thumb loops for secure hand coverage; straight hemFlatlock seams to minimize chafingSlim fit for layering under midlayers and outerwear