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Style# 72446

Sidewinder Flannel Shirt

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Purpose Built

In our ongoing effort to provide operators tactical advantages without being seen, 5.11® offers covert, casual styling with intelligent utility in the 5.11® Sidewinder Shirt. We began with 100% yarn-dyed polyester flannel for enhanced fade and shrink resistance, easier care and improved weather resistance. Then we added our contrasting double-weave fabric made popular in our Rapid line for distinctive styling and abrasion resistance when carrying packs and bags. The Sidewinder is also specifically designed to work with the 5.11® Holster Shirt, with our RAPIDraw™ placket system for easy access to a concealed sidearm. Choose from 3 plaid options, all featuring solid Grenade shoulder panels, to mix up your covert wardrobe.


  • Hidden document pockets offer covert, secure storage
  • Enhanced sidearm concealment/compatible with 5.11® Holster Shirt
  • Patch chest pockets with snap closure
  • UPF Rating: 50+


  • Main Body: 100% polyester yarn-dyed flannel, 6.43 oz. brushed finish
  • Contrast: 91% polyester / 9% spandex bi-stretch double weave, 6.44 oz.
  • 7 snaps on center front placket, 1 snap with faux button on each pocket
  • Bartacks at key stress points ensure durability

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