5/5 jack - 21/05/2018 Quality (5) Value for money (5) wool fibrepile i commonly avoid zips. this is an absolute exception. the wool fibre pile is extremely toasty. light and breaths noticeably well. its the best insulation i know. i wear them generally and usually with a gaberdine smock. at this price you can get enough to keep you going for years. WASH AS WOOL!!!