SIMMS Guide Flannel LS Shirt


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Simms’ guide-favorite flannel is available in three stylish, hardworking plaids. Moisture wicking performance is coupled with UPF 50 performance from top to bottom while gear-ready pockets and easy-access tool stash near the lower hem, bring intuitive innovations to your on-the-water sessions. Additional details include a secure, stay-down collar and traditional fit tailoring for mobility.



  • Wicking & UPF 50
  • Double‐layer for warmth
  • 1 zippered fly‐box compatible pocket 
  • 1 fly box‐compatible pocket with hook & loop closure
  • Side tool pocket
FABRIC TECH: 100% polyester 



  • UPF stands for Ultraviolet Protection Factor and indicates how much of the sun's UV radiation is absorbed.  A fabric with a rating of 50 will allow only 1/50th of the sun's UV rays to pass through.  This means the fabric will reduce your skin's UV radiation exposure significantly.  All of our UPF finishes last the life of the garment, an industry standard of 30 washings.