The PolarMax 4-Way Stretch Mock Zip Neck is a performance top packed with features! A Flatlock Seam lies flat within the garment, creating a more comfortable fit. You'll also get a full range of motion with that touch of Spandex incorporated into the top and the Acclimate Fabric wicks away moisture, keeping you dryer, faster and longer. This easy care shirt is odor resistant and anti-microbial, leaving the 4-Way Stretch Mock Zip Neck your ultimate adventure top! Heavy Weight 4-Way Stretch XG Fabric, 92% Acclimate Dry and 8% Spandex, Breathability and Wicking Properties, Quick Drying and Odor Resistant, Flat Seam Construction, Athletic, Slim Fit, Made in the USA, Fit: Tight, Material: Synthetic, Weight: Mid, Type: Top, Wicking Properties: Yes, Recommended Use: Hiking/Camping, Antimicrobial: Yes, Anti Odor: Yes, Quick Drying: Yes, Moisture Wicking: Yes, Product ID: 566257, Model Number: 3C31D 010 XS, GTIN: 0785146365700