The Mountain Hardwear Men's Stretch Ozonic Jacket is a waterproof jacket that isn't afraid to move from town to climb. One packable jacket that transitions between lifestyles and stretches for movement. The Dry. Q; Active Technology is a 2.5L, waterproof, breathable and stretch fabric. Just 11.2 ounces that won't weigh you down plus pit zips for dumping excess heat.Features of the Mountain Hardwear Men's Stretch Ozonic Jacket Dry.Q Active breathable Technology banishes moisture 4-Way, all-over stretch fabrication 40D face fabric is tough, durable, and abrasion-resistant Large under arm vents Hood cinch system Exposed Matte AquaGuard VISLON zipper Packable zip chest pocket Lightweight, stretch and waterproof-breathable Performance for active sports