Trust us, you're going to want the Under Armour Hitch Lite 3. 0 Boot Sock on your feet before you head out on your next hiking adventure. Crafted from a stretchy wool blend, this sock has strategic cushioning to reduce bulk while delivering flexibility and breathability, as well as a CoolMax XtraLife Select Cushion footbed for superior abrasion resistance and durability. Then, ColdGear tech traps heat and wicks sweat for dry warmth, and is paired with Armourblock tech for odor-fighting performance.