5.11 Sidewinder Flannel Shirt (Long Sleeve)

Covert but casual styling with intelligent utility, meet the 5.11 Sidewinder Shirt. Beginning with 100% yarn-dyed polyester flannel for enhanced fade and shrink resistance, easier care and i... read more
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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. It began with 100% yarn-dyed polyester flannel for enhanced fade and shrink resistance, easier care and improved weather resistance. Then 5.11 added the contrasting double-weave fabric made popular in the 5.11 Rapid line for distinctive styling and abrasion resistance when carrying packs and bags. The 5.11 Sidewinder is also specifically designed to work with the 5.11 Holster Shirt, with their 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 a 5.11 Holster Shirt
  • Patch chest pockets with snap closure
  • UPF Rating: 50+


  • Main Body: 100% polyester yarn-dyed flannel, 182.29g brushed finish
  • Contrast: 91% polyester / 9% spandex bi-stretch double weave, 182.57g
  • 7 snaps on center front placket, 1 snap with faux button on each pocket
  • Bartacks at key stress points ensure durability

5.11 Code: 72446

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Free and Easy Delivery

All deliveries to the UK are free as standard, however, we do have a number of options available in the checkout for next day delivery and Saturday delivery at an added cost.


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