Check the listing for details. Ronhill Solus 5L Black/Ronhill Red NEW. Color: Black/Ronhill Red, Condition: New with tags. Listed at 107.40 USD. Designed for stress-free running on your longer days out, the Solus 5L pack has been rigorously tested by fell, trail and road runners alike to ensure ample storage, easy to access pockets and a comfort first design. Lightweight, wicking, durable and comfortable, Solus 5L gives you more than enough storage for long days out, regardless of your environment. The Ronhill All-Terrain collection is the result of decades spent in the fells and on the trails. From daily miles in the beating wind and long summer weekends spent in the fells, All-Terrain is designed for true runners. Our packs are designed for minimal bounce, long term comfort and an ergonomic fit. Made diverse loading options, you can optimally load your pack per run, ensuring perfect fit regardless of the load. Without compromise,.