Lightweight 20d polyamide fabric;Durable water repellent finish;Synthetic Warmloft down-touch water repellent insulation;Grown on hood with adjusters;2 zipped lower pockets;Hidden elastication at cuff;Adjustable shockcord hem;Heatable Technology;Active battery powered heating system;Large heated back panel;Easy operation;Safety cut off;Can be used with any5V - 2.1A Power BankwithUSB-Aoutput.;Battery not included;