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Product Details

Sun Mountain Cumulus Jacket '20

Sun Mountain’s most popular rainwear for hot, humid climates, Cumulus is super lightweight, fully seam-sealed, waterproof and breathable. Incorporating 2.5 Layer Technology, the Cumulus has a woven shell laminated to a waterproof, breathable membrane with a protective inner layer. The Cumulus has waterproof and breathability ratings of 20K/20K. Two-year waterproof guarantee.


  • Lightweight and extremely breathable
  • Back pleated for range of motion
  • E-Z zip, YKK Vislon zipper
  • Adjustable hem
  • Stand-up collar and zippered hand-warmer pockets
Rain Protection - Stay dry in our waterproof breathable rainwear.
Breathable - Moisture vapor is transmitted through the fabric layers.
FeatherLight - Designed with the lightest weight materials.
Wind Protection - Stay warm in blustery conditions.
Adjustable - Outerwear that can be customized to fit your body.
Advanced DWR - Our Durable Water Repellant coating causes rain to bead up and run off.

This product can expose you to chemical(s) including DEHP , which are known to the State of California to cause cancer, birth defects, and/or other reproductive harm. For more information go to

Sun Mountain Cumulus Jacket '20

Catalog ID: 100004603-BG
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