Howler Brothers Swan Valley Mutation Collection

Beware! The Howler Mutations Laboratory team ventured to Swan Valley, Idaho, in pursuit of the legendary Swan Valley Monster, and things got strange fast. One thing is certain: the monster is real. We commemorate this epic northern expedition with their latest Mutation. Show your support for the people of Swan Valley by grabbing a piece from this unique collection today.

Check out the best bits below:


Swan Valley Gaucho Shirt


  • Vented back yoke
  • Pleated chest pockets
  • Custom chest embroidery
  • Pearl snaps
  • Sunglass cleaning microfiber at hem
  • Shirt tail bottom hem

Swan Valley Loggerhead Hoodie


  • Reinforced kangaroo pocket at front
  • Stash pocket at lower back lined with sunglass cleaning microfiber
  • Thumb holes at cuffs
  • UPF 35+ sun protection

Swan Valley Monster T-Shirt


  • 50% cotton, 50% polyester
  • Screen printed main label
  • Contrast taping
  • Contrast stitching at shoulder
  • Soft-touch water-based screen print

Swan Valley Snapback


  • Five panel design
  • Howler Monkey icon tag at back left
  • Dark under brim to reduce glare
  • Pliable bill for customized fit

Swan Valley Solado Shorts


  • 17” outseam, 7” inseam (size 33)
  • Full elastic waistband with drawstring closure
  • Two front pockets with mesh drainage
  • Back zippered mesh pocket

Swan Valley T-Shirt


  • Screen printed main label
  • Contrast taping
  • Contrast stitching at shoulder
  • Soft-touch water-based screen print

Swan Valley Socks


  • Combed cotton athletic crew sock
  • 75% Cotton, 21% Nylon, 4% Lycra
  • Cushioned heel and toe with compression panel at mid-foot
  • Yarn dyed knit designs

Leo Davie
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