The jacket can withstand most prolonged downpours thanks to a hydrostatic head rating of 15,000mm. Only a experience of 4 several hours in torrential rain observed some water seeping through (seams are taped), but several jackets could withstand that. The Ortovox Windbreaker is the most expensive jacket on our record, https://waterproofparka79023.pages10.com/5-essential-elements-for-windbreaker-no-zipper-66822671