Arc'teryx Mantis 16 Backpack - Black EAV 21742 it has 2-ply earflaps for

it has 2-ply earflaps for particularly brisk days

And if you get really serious the hood is helmet compatible too

Filled with Polarloft: the synthetic insulation provides lightweight warmth and reliable performance

angled back pockets and reinforced hand pockets

Pinnacle design from Arc'teryx

Arc'teryx Mantis 16 Backpack - Black EAV 21742 it has 2-ply earflaps forA sleek pack for when only the essentials are required, the 16L Mantis makes efficient use of its minimal capacity. The packcloth is durable, lightweight and made from 100% recycled polyester. The panel load main compartment has a reservoir sleeve and secure internal pocket. External storage includes side pockets great for water bottles, windshell, or camera and a pocket on the lid. The padded back, frame sheet, ergonomic shoulder straps, and