"Thorlo® Hiking Ultra Lite (Liner sock) Over Calf 3 Pack Socks: These unisex over-calf liner socks are built for light day hikes and casual everyday wear when you want moisture management without bulk. The ultra-thin construction layers comfortably under a hiking boot without adding unnecessary volume, making them ideal for hikers with minor or no foot issues who prefer a low-profile sock that stays in place all day.The socks are constructed with 77% exclusive THOR-WICK® COOL fibers, 18% stretch nylon, and 5% spandex. THOR-WICK® COOL fibers actively move moisture away from your skin so your feet stay drier and cooler during activity, while the stretch nylon and spandex blend helps the sock conform closely to your leg and hold its position through a full day of wear. Each pack includes three pairs, and the socks are made in Statesville, North Carolina, USA. Thorlo backs the product with a 30-day guarantee - if the socks do not feel better than ordinary socks, Thorlo will issue a full refund when the socks and receipt are sent directly to them.Why Our Fit Experts Love It""I wore these on a casual day hike and appreciated how thin they felt inside my boots - no bunching, and my feet stayed noticeably drier over a few hours on the trail. The over-calf length stayed up the entire time without slipping, which made a real difference on a longer outing."" - Sullivan, Road Runner Sports Fit Expert, Naperville ILWho It's Best ForThe Thorlo® Hiking Ultra Lite (Liner sock) Over Calf 3 Pack Socks is best for unisex wearers who want a thin, moisture-wicking liner sock for light day hikes or everyday casual wear. It suits hikers with minor or no foot issues who prefer a low-profile sock that layers well under a boot. VIP Family members can take the Hiking Ultra Lite (Liner sock) Over Calf 3 Pack Socks for a 90-Day test drive with our Perfect Fit Guarantee."