Polarmax® Men’s Core 3.0 LS Crew is high-performance super mid-weight crew ideal for moderate to colder weather activities. Polarmax® Acclimate® Dry moisture-wicking/quick drying & Ag47™antimicrobial protection will keep you comfortable, dry and odor free by pulling moisture away from the body to the outer surface of the fabric to achieve rapid evaporation while killing odor-producing bacteria! Constructed with a 4-way stretch smooth tech face front and lightly kissed fleece back and added Clean Seam® flat seams to help reduce irritation and allow unrestricted range of motion. Guaranteed to provide longer performance, regardless of the conditions, make Polarmax® your Layers for Life™! Body Form Fit-No Bulk. Made in the USA!