Thule 20L Notus Backpack w/ 16" Laptop Sleeve $59 at Amazon $59 $80 Amazon has the Thule 20L Notus Backpack w/ 16" Laptop Sleeve (5 color options) on sale for $59 with free shipping. Includes side pockets for water bottles. $59 retail: $80 Posted by Faraday05/19/2026 at 07:02 AM PT