• U.S. shoe size: Size S/M fits women's 6–10 or men's 5–9, Size L/XL fits men's 9–13 or women's 10–14
• 75% micro denier acrylic, 15% nylon, 10% spandex
• Made in the U.S.

What looks like a simple sunset on the back of these black athletic socks is, on second glance, a cool skull illusion! Wear them if you like sunsets, skulls or just really comfortable socks. Their ingenious construction with moisture-wicking mesh and stretchy acrylic makes them the perfect socks for biking, running and workouts.