Women’s Columbia Titanium Heat Treat Hybrid running hiking jacket. In good condition with a slight mark on the left sleeve cuff (see photos). Size small. Omni-Heat thermal comfort. According to info found online: Fabric: 93% polyester/7% elastane Max Heat softshell, 96% polyester/4% elastane Heat Thermostretch Omni-Heat thermal reflective Omni-Shield advanced repellency Description Brisk hikes and winter walks just got a whole lot cozier. We pieced knit side panels with a wind resistant double weave softshell to create the perfect hybrid piece. A blend of comfort and protection, the Heat Treat features our new Omni-Heat® thermal reflective technology inside - the little silver dots help you hold onto your body heat, keeping you 20% warmer. Knit side panels enhance mobility and create a flattering fit while comfort cuffs with thumbholes keep you extra comfy.