Built for extended tramping adventures, the Effortless Rhythm combines rugged durability with all-day carrying comfort. Its advanced harness system and adjustable fit help distribute load efficiently, making heavy gear feel lighter on the trail. Featuring a dedicated lower storage compartment for easy organization and access, this fully featured pack is made from tough, hard-wearing fabric ready for demanding conditions. Compatible with optional Balance Pockets, it can be upgraded to deliver the full benefits of the energy-saving Balance System. Features: U-Flow Shoulder Harness Encourages natural shoulder movement while maintaining pack stability for improved balance and reduced fatigue. Breathable stretch 3D mesh contours to the shape of your shoulders for lasting comfort. On-the-go back length adjustment allows for a customized fit without removing the pack. Compatible with Aarn Balance Pockets (sold separately) for enhanced load distribution and carrying efficiency. Dynamic Pelvic-Form Hip Belt Dual-adjust tensioning system allows precise fit adjustment and load control. Micro-adjustable hip belt angle conforms to individual pelvic shapes for improved comfort. U-Flow hip belt design moves naturally with your body, increasing agility and reducing strain over long distances. Efficiently transfers pack weight to the hips, helping minimise pressure on the shoulders. Breathable 3D mesh provides supportive cushioning across the iliac crest for all-day comfort. One-handed quick-release buckle for fast and easy adjustment. Attachment points for optional Aarn Balance Pockets. Updated 2026 Features Larger side and front pockets on bigger pack sizes for increased storage capacity. Added side pocket tensioning cords to help secure gear. Updated colourways in dark green and grey. Streamlined hip belt design for improved comfort and fit. Redesigned ice axe attachment system. Includes two Lasso Locs for additional external storage and compression options. Enlarged lid design to better accommodate full pack loads. Dedicated attachment points for an optional bear canister holder. Additional Features Large main compartment with separate lower storage compartment for organised packing. Slim pack profile helps reduce rearward pull and improves load balance. Extendable, removable lid converts into a convenient bum bag for day trips. Large front stretch pocket and two deep side pockets for quick-access storage. Front compression cord system stabilises loads and secures additional gear. Dual attachment points for trekking poles or ice axes. Includes dry liners in both compartments for added protection. Hydration-compatible with internal bladder attachment and hose port. Built-in attachment points for carrying skis, snowboards, and snowshoes. Compatible with Lasso Locs (2 included) for additional external storage and compression. Compatible with Aarn Balance Pockets (sold separately) for the full benefits of the Aarn Balance System. Specifications: Medium Long Weight 1690g / 59.6oz + liner 1754g / 61.9oz + liner Volume 66L 72L Dimensions W 40cm x D 25cm x H 75cm W 40cm x D 25cm x H 85cm Max Load 20kg Materials: Main 500D Nylon Kodra Accents 100D Robic & Mesh Darlington 240g Bottom 210D Robic Gridstop with UHMWPE Liner 190T Nylon