NOTICE: If there are any differences between this chart and the official size 
<br />chart of WISH,please take THIS CHART as the standard
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<br />Band:SCOYCO
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<br />Model:JK37
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<br />color:Black
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<br />size:M/L/XL/XXL/XXXL;
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<br />Material: 1.0 years imitation velveteen, 600D Oxford cloth, CTH-1302,0.25MM general light reflective T / C fabric, cloth miter 210T encryption, triangular mesh, 0.7-0.8mm Microfiber, 210T dense cloth
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<br />Function: 3D cut, reflective at night, ventilation design, interior seven protection, durable wear, comfortable, can be used with an external N04 Neck use adjustable built-in protective gear design