Progression is the key to this design

SIDECUT Base Bevel Guides are used to create a 0

It's everything you need and nothing you don't

The Hood has an ergonomic design

Dual pivot: 1 leverage point and 2 pivot points putted far away from eachother

Arc'teryx Atom Hoody M Size:S Progression is the key toLightweight, versatile Coreloft insulated hoody with air permeable side panels for mid level output activities. Functions as an outer layer or midlayer depending on conditions. Light, soft Tyono 20 with DWR finish to repel moisture Resilient Coreloft Compact 60 insulation retains loft Performance stretch fleece side panels give ventilation Adjustable, insulated, low profile StormHood with structured mini hood brim No Slip Zip main opening, zippered