Although not as common as they once were, you'll find pit zips on many hard-shell jackets. Learn why there are zippers in the armpits of outdoor wear.
How big of a difference do pit zips make in a rain jacket? : r/onebag
Understanding the Reasons for Pit Zips
Do I Need Jacket Pit Zips? What Are Pit Zips and Are They Worth It? - The Hiking Authority
Lightweight. Full Zip and hook and loop closure. Excellent condition! Measurements Armpit to Armpit 18.5 Sleeve 24 Shoulder to Hem 24
The North Face Women's Dryvent Packable Rain Jacket Pit Zips Size XS
The SKRE mens camo hunting jacket is the most versatile, durable piece of hunting gear you ever own. The Hardscrabble Jacket is the choice for all hunters. Get yours now!.
SKRE Camo Hardscrabble All Season Hunting Jacket - Summit, Men's, Size: 3XL, Green
NEW VIEW Men's Lightweight Rain Jacket Waterproof with Hood, Storm Shell Stretch Rain Coat for Tri Weather Hiking,Travel,Golf at Men's Clothing store
DIY Pit zip repair. Do I glue it back? Sew it? Its not the zipper. : r/PatagoniaClothing
Patagonia Torrentshell 3L Jacket
Outrageous Sports Cold Storage Foul-Weather Rain Coat MD Black
THE NORTH FACE Dryvent Purple Vented Pit-Zips Rian Jacket Womens Size Medium