Terramar Men's Tall Merino Wool Pants 100% Wool Imported Machine Wash Features ec2 Quik-Dri  Comfort Technology - Fast wicking and drying - Inhibits the growth of bacteria that causes odor Two layer construction traps air and enhances breathability Midweight warmth (2.0) makes it extremely versatile UPF rating 50+ Flat seam construction for comfort.