Fit & Design: Calf socks Merino wool Strategic zone cushioning Airflow venting Seamless toe Honeycomb arch support Y-Stitched heel Technology: Hex Tec Stay-Up technology Additional Details: Machine wash cold on gentle cycle Only non-chlorine bleach when needed Tumble dry low Do not Iron Do not dryclean Bombas Marl Mountain Landscape Merino Blend Hiking Calf Socks