Saddle up with Stance's Filly. Thanks to its deep heel pocket and plush combed cotton, this classic crew sock surrounds feet in luxury. Its light cushioning provides a smooth ride while a reinforced heel and toe offer additional durability. And to better match your moves, the sock features an elastic arch and self-adjusting cuff. Stance's Filly is a humble workhorse. Material: Cotton, Spandex, Elastane.