Karrimor ridge 50l walking back pack the karrimor ridge 50l walking back pack is the perfect choice for the walking enthusiast designed with a lightweight construction to promote a breathable feel when transporting comfort is second to none with this backpack as it has a cushioned back panel and adjustable padded shoulder straps for a secure and customised fit this karrimor backpack features a large main compartment along with multiple zipped pockets and the option to add a hydration blad