New model for this year (Do not check this option if this model was listed as new in last year's Gear Guide)Trekking, backpacking for 5 days or longer
All Altra packs have a Load Transfer DiscTM that pivots to increase agility and stability on rough terrain. Larger volumes combine the C2 suspension with GridlockTM shoulder straps that adjust for custom fit. Smaller volumes keep weight to a minimum while still using the efficient C2 system.
210D nylon 6,6 ripstop is a high density single ripstop fabric coated with silicone to shed moisture and increase waterproofness. Used in the body for its light weight, the textiles construction is a balanced weave that is durable and tear-resistant. Reinforced in the high wear areas with extremely durable 500D ATY nylon 6,6 silicone treated PU fabric that resists dirt, snow and water pick-up.
100D nylon 6,6 mini ripstop has a high thread count in a mini ripstop weave that has incredible tear resistance. Coated with silicone to shed moisture and for waterproofness.
6005-T6 extruded aluminum M-bar stays are rigid and lightweight to provide structural support.
HD 80 foam is high density polyethylene foam that provides support and structure to the bag, plus comfort against the back.
500D ATY nylon 6,6 silicone treated PU is an air textured yarn used in shoulder straps for its durability and aesthetic properties. Silicone treatment helps prevent dirt, snow and water pick-up. Hypercell foam has the benefit of being open cell polyurethane foam that provides stability and comfort. SpacermeshTM lining provides airflow. Polyester yarn is hydrophobic by nature, to repel water.