Hot Chillys Women's ME XT Fleece Panel Zip-Tee 89% Polyester/ 11% Spandex Made in the USA and Imported Unique blend of MTF nylon and spandex yarns to keep you comfortable in extreme conditions. Seams are moved off shoulder for added comfort Sleek, performance-friendly rubber tip zipper Zip-through collar construction for ultimate warmth Soft stretch elastic seam tape at neckline