The ScentBlocker Men's Koretec Heavyweight Scent Control Base Layer Long Sleeve Shirt is constructed from a polyester outer, backed with a light fleece lining for warmth and versatility. Features ScentBlocker's S3 Anti-Microbial finish that prevents odors. This is your go to, hard working first layer for everything from mid-summer food-plot work, to preseason scouting, to the cold of the rut.Features:Set-in sleeves for mobility in the fieldFlatlock seams for comfortSmooth polyester face fabric is great for layering