Introducing the all-new Bowhunter Elite:1 Trek Base series, ScentLok'sA(R) most advanced and comfortable base layer yet. The Trek series utilizes both merino wool and a triple threat of technology for unprecedented comfort and odor protection. Carbon Alloy gives you superior odor protection, while Fusix treatment protects against bacteria growth. And Silver Alloy is infused to further combat bacteria growth in the harshest environments. Its focus on fit includes comfy 4-way stretch material that you can move around, plus form fit for comfortable layering beneath your outer layers. Provides the ultimate foundation for your BE:1 toolkit Merino wool, modal and Tencel blend outer Soft polyester fleece lining Ultra soft, flexible 4-way stretch fabric Stretch panels move when you do Carbon Alloy delivers maximum odor adsorption Silver Alloy helps inhibit the growth of bacteria Fusix technology helps further destroy bacteria and control odors Wicking treatment manages moisture to keep you dry Quarter-zip design for easy ventilation Order today!