ten-mile cloth
n.— «Blaze orange, also known as hunter orange, safety orange, fluorescent orange or 10-mile cloth, is readily available in a variety of clothing, caps and hats, through sporting goods and hunting supply stores, as well as general retailers.» —by State officials urge caution in hunting season BlueRidgeNow.com (Hendersonville, North Carolina) Nov. 23, 2007. (source: Double-Tongued Dictionary)
Further reading
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