Cold makes it happen. Straight out of the innovation kitchen comes an interactive fabric that changes color when the temperatures drop. Go outside into the cold and watch the pattern appear, go back inside and watch it fade away. Changes color at 50°F (15°C). infiDRY® 10K Fabric + DWR. Softshell 3-Layer Bonded Two-Way Stretch Hyperchromic Color Changing Fabric with Polyester Fleece Backing. Side Zip Entry. Grommet Underarm Venting. Adjustable Velcro Cuffs. Inner Thumb Grip. Front Hood Drawcord Adjustment. Inner Audio Button Hole. Zippered Entry Kangaroo Pouch Pocket.