The Outdoor Research Acetylene jacket is a comfortable stretch micro layer with strategically placed PrimaLoft Eco insulation for core warmth during alpine and side country adventures, or for highly-aerobic activity in ultra-cold conditions.

• 100% polyester, 20D ripstop face
• PrimaLoft insulation strategically placed to provide warmth without bulk
• Back and sleeves made with stretchable Radiant LT Fleece; 95% polyester, 5% spandex
• Internal front-zip stormflap
• Hybrid mapped construction
• Drawcord hem
• Thumb loops
• Stretch binding at cuffs
• Two zippered hand pockets
• Zippered napoleon pocket