This ultra breathable day backpack is perfect for a hike around the local hotspots. The main compartment is spacious enough to hold whatever it is you may need on a day trip out whilst the ultra breathable mesh keeps you cool and comfortable for the duration of the day., Rucksack . Capacity: 20L ., Back System: Moulded . Contact Mesh: Ultra breathable mesh ., Pockets: Front mesh pocket wand pockets hip fin pockets 2 lid pockets . Hydration system compatible ., Fabric: KS p210RS . Weight: 580g.,