What Our Gearhead® Experts Are Saying:"This jacket is a standout for late-season hiking and backpacking. The stretch insulation moves with me on technical trails, and the waterproof shell keeps me dry through surprise storms. It's lightweight, warm, and built for adventure."The Stretch Ozonic Insulated Jacket is Mountain Hardwear's answer to unpredictable alpine weather. Built with 100% recycled Dry. Q stretch ripstop fabric, this jacket is waterproof, windproof, and remarkably quiet, ensuring comfort even in stormy conditions. Mapped synthetic insulation adds lightweight warmth without restricting movement, while the stretch-woven lining wicks moisture to keep us dry during high-output activities. Practical features like an adjustable hood, underarm zip vents, and a cinchable hem offer versatile functionality for every adventure.