I exploit to hold a Gregory Jade 62L pack (a lot of convenient pouches/pockets that temped me to “stuff them”; carrying the minimal extras to assuage my trail fears. (Procured at REI and was coached by a skilled backpacking staff.) External straps can be used for attaching items such as https://inca-trail-to-machu-picch09754.blogtov.com/14765912/top-guidelines-of-franz-josef-glacier-walk