Charles River 9732 Signal Hi-Vis Jacket You’ll be hard to miss in the Signal Hi-Vis Jacket! Made from windproof and waterproof oxford polyester with 2000 mm coating and taped seams, it also features anti-pill fleece lining and 2″ high Scotchlite™ reflective material on the front, back and arms. Additional attributes include front shoulder loops for radio attachments, a sew-on badge holder and side seam zippers to allow for ventilation and access to your duty belt.