170 gsm mid weight cotton twill to keep you cool while still being tough enough for any job Underarm and upper back mesh vent inserts to keep you cool in any environment Triple stitched seams 3M® 8910 reflective tape in hoop configuration Two chest pockets with button closures and pen partition Extended curve shirt back SizesS - 5XL, 7XLFabric100% Cotton Twill - 170 gsm

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