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. For 2018, they have used an improved membrane, which increases the waterproof and breathability ratings to 20K/20K.
- 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