Coal Frena. Made with a heavy-weight yarn with a bit of stretch that makes for a perfectly snug fit. Made with soft, premium yarn, the Frena won't stretch out, and won't lose shape. The Frena can be worn cuffed or uncuffed in a more slouchy style, and comes in a wide variety of colors and patterns. Versatile Low Profile or Slouchy fit. Chunky stretch rib construction, 100% acrylic. Signature Coal woven label at side. Wear cuffed or unrolled.