based on the original specs that we started with over a decade ago

Sweatband: Polyamide 45%

Continuous-seam construction along the back of the neck

Size and fit tip: The Deltas offer a roomier fit in the body and sleeves than their predecessors

Arc'teryx Mantis 26 Backpack color:BLACK based on the original specsX000010643 002291 Made to expand horizons, the exceptionally versatile Mantis delivers its organization, durability, and balanced carry with a clean, minimalist design and recycled materials. A drawbridge opening allows easy access to the large main compartment, multiple pockets provide intuitive organization, and an internal sleeve carries a hydration reservoir or laptop. The padded back, frame sheet, and aluminum stay combine for a comfortable