The blue Master Tracks Over-Ear Headphones from Sol Republic are driven by Sol Republic's X3 sound engine for accentuated bass and vocal clarity. They have a lightweight, 243-gram body that has SonicSoft speaker cushions for comfort and noise isolation and a FlexTech headband designed for everyday use. The headphones have an in-line 3-button remote and mic for adjusting volume, skipping tracks, and taking calls. Both its headband and cable can be swapped with optional replacements in a variety of colors. All of Sol Republic's headbands are designed for durability to stand up to the rigors of daily use. A slim-fit carrying case and 1/4" adapter are included.