Discover the ultimate versatility and performance with the Sun Mountain Granite II Jacket, a reversible Sage-Black design built for active individuals who demand comfort in changing conditions. This isn’t just another lightweight puffer—it’s a smart technical layer engineered to keep you dry, warm, and performing at your peak.
Featuring advanced 37.5® technology, the Granite II integrates sixty grams of responsive insulation that captures and retains your body heat while actively moving moisture away from your skin. Unlike traditional jackets, this one uses embedded active particles to accelerate vapor transfer, preventing that clammy, overheated feeling during intense activity.
With 37.5® innovation, sweat is managed before it even begins, helping you maintain an ideal core temperature longer. Scientific testing shows this technology can reduce core temperature buildup and boost athletic performance by up to 26%, so you can train harder, compete smarter, and recover faster.
The Granite II is also sustainably designed—its temperature-regulating properties won’t wash out or degrade over time. Whether you're on the trail, at the gym, or enjoying the outdoors, this jacket supports your body’s natural climate control.
Reversible for two looks in one, the Sage-Black colorway offers style and function. Lightweight yet insulating, it’s your go-to piece for unpredictable weather and high-output adventures.
Experience the difference of intelligent design. Visit Sun Mountain at sunmountain.com to explore our full range of performance apparel and gear. Stay comfortable, stay confident, and elevate your active lifestyle with the Granite II Jacket.