The karrimor trail 35 daysack is a generous sized backpack with a padded breathable back system for an extremely comfortable wear and lots of pockets making it ideal for longer day hikes travelling and daily use the trail 35 rucksack has a wintunnel backsystem that creates a channel down the centre of your back and features coolmesh at the contact areas in order to increase breathability and comfort while you are carrying your pack and the adjustable padded shoulder straps adjustable chest strap