DESCRIPTIONLong distance hikes are exactly your thing? Then the Futura Air Trek SL, which offers maximum comfort on long tours, is your ideal companion. The VariSlide system allows infinite adjustment to any body size. The moveable VariFlex ECL hip fins with ergonomic padded inserts make for comfortable wearing. The Aircomfort Sensic mesh back system keeps you optimally ventilated. In order to offer you maximum space and organization possibilities for your equipment, there is a side bellows pocket and a height-adjustable lid (+10 L) in addition to the large front access.FeaturesVariSlide SystemRound profile frame made of permanently elastic spring steelActive Comfort FitVariFlex SystemPull-forward hip finsAdjustable sternum beltHeight adjustable lidLoad adjustment strapIce Axe AttachmentSOS labelSeparate bottom compartment with removable baseCompatible with 3.0 litre drinking system/bagStretch side pocketsRain CoverInside compartment to keep your valuables safeElasticated inner compartment for storing wet/sweaty clothing, water reservoir, etc.Lid compartmentFront zip accessAttachment loops for the helmet holderHip fins with two zippered pocketsFront Stuff PocketCompression strapsKey clipName tag insideFastening loops on lid50% recycledPFC freeMaterial210D PA RECYCLEDSUSTAINABLE: 50 % of the yarn is used from recycled raw materials. The main material of the Futura series consists of bluesignA(R) certified material.600D PESWoven from 600 denier polyester yarn and with a thick PU coating, this tear resistant and light fabric is highly versatile. Whenever it's about keeping the weight of the backpack as low as possible with moderate stress, then this is the ideal solution. The "deuter Super Polytex BS" version is produced in compliance with the stringent bluesignA(R) standard. Its features and stress factors are identical.* D stands for denier. This describes the yarn weight. 600D corresponds to 600 grams per 9000 meters.* PES stands for polyester. PES fibres are very tear and abrasion resistant and hardly absorb moisture.* PA stands for polyamide. PA fibres are extremely durable and abrasion-resistant. They are also characterized by high elasticity and low weight.California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information please go to: https://oehha.ca.gov/proposition-65