Jack Spade, always a safe bet when it comes to simple, functional accessories, presents its Expandable Day Bag. A Slim, neat messenger style carrier that doubles its capacity at the pull of a zip, allowing you to carry twice as much junk around with you than previously possible. Woven 1100 Denier Canvas means this is tough, water resistant and ‘abrasion resistant’. Velcro closures mean quick access making this ideal for cyclists. Find it here.