Lightweight, crew-length socks designed for trail shoes and closer-fitting footwear. Ideal for moderate day hikes, adventure travel, and everyday wear.. . 70% acrylic, 28% stretch nylon, and 2% Lycra. Fully cushioned foot section with jersey vent panel on side. Lycra spandex arch panel for support and snug fit. Turned welt at the top with ribbing keeps sock in place. Machine washable 87839200030 18173000030 8222