Light, soft Tyono 20 has good air permeability DWR finish repels moisture Coreloft Compact 40 synthetic insulation in the core provides warmth Uninsulated, Mesh lined sleeves Low profile Torrent 190 fleece stretch side panels allow for ventilation Adjustable, Low profile uninsulated StormHood No Slip Zip works like a series of speed bumps keeping the main zipper from self-opening Zippered hand pockets Adjustable hem Fabric Details Size runs a little small (athletic fit).