I've had this pack for about 2 years and used it on trips in Alaska, Iceland and locally. Overall I'm really impressed.
Pros: Lightweight, clean design, easy to use organization, zigzag foam harness vents well, big hipbelt pockets, reasonable price.
Cons: Does not carry heavy loads well, rain cover fit can be a bit too tight.
Full review with tons of details on my blog: https://happiestoutdoors.ca/boreas-lost-coast-60/
This review was written in the old system and had content requirements that are different than reviews written today.