The Onyx features a flat black, subdued reflective tape that illuminates with light while in dark places.Modular and customizable fire fighter radio strap  This strap was made with comfort in mind. The width allows the weight of the radio to be distributed over the trapezoid, reducing fatigue. Like all straps, our radio strap was designed to be worn under the bunker gear but maintaining it's modular nature. The strap can easily be adjusted with one hand behind the back on the fly.  Regular radio strap (person 5'11" and shorter recommend) Large radio strap (person 6' and taller recommend) • Radio strap made from water repellent and washable ripstop material • Flat black reflective tape • Reinforced boxed and double stitching for durability  • Rubberized PVC interior coating  • Large pocket with hidden zipper built into strap • Heavy duty elastic lower loops for mounting options • Hook and loop shoulder and back patch for personalization  • Piped edges for comfort  • Large carabiner on anti-sway strap • Riveted keeper for increased strength