Burton Women's Scout Socks Body:61% Acrylic, 28% Nylon, 9% Polypropylene, 2% Elastane Imported Constructed from a durable blend of acrylic, nylon, polypropylene, and spandex fabric Polypropylene reinforced footbed is quick-drying and resists odor; Medium-density cushioning throughout Flat-stitched toe seam eliminates chafe and bunching; Added elasticity and padding in the arch and ankle increases support and cushioning Stay High elastic comfort band is soft and locks around the calf to reduce sagging Midweight warmth for all seasons