When performance and durability are critical to the success of your adventure, the 800 Tech Down Jacket is the superior choice. Engineered with Pertex Quantum 100% recycled nylon ripstop with anti-abrasion Diamond Fuse technology, this jacket uses RDS-approved natural down for exceptional insulation and warmth. On the trail or on your daily commute, the 800 Tech Down Jacket is both versatile and stylish