686 Thermal Puff Snowboard & Ski Jacket The Thermal Puff Jacket from 686 can be worn as a mid-layer and integrates into the Smarty range of jackets. 210 Taffeta with DWR infiLOFT® 160g Polyfill Insulation and Stretch Poly Fleece Side Body Panels SMARTY® Compatible Fleece Collar.