Patagonia Houdini Stash Half-Zip Jacket - Men's (Seabird Grey, Terrain Green, Small Currents/Endless Blue) from $82.93

Made of lightweight 100% recycled nylon ripstop, with front and back vents
PFC-free durable water repellent (DWR) finish (does not contain perfluorinated chemicals)
Zipper garage for extra comfort
2 side pockets with hook-and-loop closures
Jacket stuffs into either pocket, with room left to carry a phone and keys
Fair Trade Certified™ sewn, which means the people who made it earned a premium for their labor