The Altorock 25 Litre Daysack from Regatta is a compact day bag designed with an air mesh back construction for breezy comfort on long days outdoors It uses tough-wearing polyester fabric to withstand bumps & snags & is packed with secure zipped pockets so you can keep all your belongings organised Both the chest harness & hip belt can be adjusted to accommodate layers across the seasons & the easy grab zip pullers make light work of getting your gear in & out