A sturdy staple, the Session 8L bike hydration pack is a minimal, yet fully featured pack combining the cooling comfort of a breathable back panel with airy shoulder straps. An updated recycled poly provides a rugged and sustainable outer on this narrow, lightweight pack with two liters of vertical hydration. The pack provides plenty of storage including an organized front pocket, a fleece-lined pocket for sunglasses or phone, additional side pockets, plus external attachment straps. The Session is a do-it-all bike pack to keep you pedaling all day. 2L / 70 oz Hydrapak® vertical reservoir and Phaser bite valve with magnetic hose clip Breathable air flow back panel and shoulder straps 25 mm webbing belt External attachment straps Fleece-lined sunglass pocket Internal organizer pockets Reflective zipper pulls and safety light attachment Rescue whistle on sternum strap 100% recycled polyester