SITKA Men's Traverse Zip Tee Men's long-sleeve, insulated, zippered shirt; expedition-weight; ideal for all technical situations Made of four-way stretch polyester/Lycra; durable, wind-resistant face; offers unrestricted movement Soft-lofted interior; superior warmth-to-weight ratio; wards off odor-causing bacteria Deep chest zipper; welded chest pocket; thumb loops on extended sleeve cuffs Weighs 3/4 pound; covered by limited warranty