Stridelines are designed to embody the look, feel, and tradition of California Polytechnic State University. This Mustangs Blue Socks features sweat-wicking fibers, select terry pads, our patented heel strap, and a unique blend of technical yarns. Strideline's digital ink technology and distinct "S" tag make this the most comfortable Mustangs socks on earth. Go Mustangs !!!