December 15, 2017 CascadiaNow! CU Updates, Movement Gear USPS Deadlines are Approaching! Last week to order Cascadia merch December 15, 2017 CascadiaNow! CU Updates, Movement Gear USPS deadlines are December 19th for First Class Mail - December 20th for Priority, so get your last holiday orders in this week. If you're in the Seattle area, drop into our store location shared with Horizon Books anytime to browse & pickup items.Check out our full range of merchandise at our Cascadia store CascadiaNow!