The Vaude Triset 25+4 Backpack is a fantastic pack ideal for day trekking & exploring as it has a comfortable ventilated back system & plenty of versatile storage space for carrying all your outdoor gear with you The Triset range features Vaude s Aeroflex full ventilation suspension system which has a large ventilation space between the mesh frame & the pack to ensure plenty of ventilation to keep your back & load carry nice & comfortable This coupled with the adjustable padded straps adjustable chest strap & the adjustable padded waist strap mean that you can personalise the fit for the best level of comfort for you & the load you are carrying This backpack has two compression straps on each side of this bag so that if you need the extra capacity you can extend your backpack forward It also has a zipped pocket on the outer lid large main compartment front stretch mesh pocket & two zipped side pockets so that you can easily arrange all your hiking gear The Triset 25+4 is also hydration compatible has walking pole attachments & a raincover is neatly tucked away in the base making it an ideal companion when you go on day hikes & rambling in the great outdoors