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.
- Partial elastic waist with zipper fly and belt loops
- Snap system at hem shortens pants 2.5 inches
- Zippered hand warmer and wallet pockets
- Deep lower leg zippers