CAMELBAK Pivot Roll Top 20L Backpack, £13.56 In White Only at Amazon

Lightweight and versatile, the Pivot Roll Top makes for a great everyday commuter backpack. Reservoir compatible to convert into an easy hike or festival daypack. Weighing in at just 12 oz., there's space for everything you need for a day out in the city, from a secure zippered essentials pocket to an expandable bottle pocket. Made from 50% repurposed materials, removing single-use plastics out of waste streams and giving them new life.

• Easy access roll top with magnetic closure buckle
• Breathable air mesh straps
• Expandable bottle pocket
• Secure essentials pocket
• Internal organizational pocket
• Removable sternum strap
• Made from 50% repurposed materials: This bag equals 11 plastic water bottles
• Compatible with CamelBak reservoirs up to 2L (not included)