Pertex Quantum Air = Favorite
- Familiarity: I've put it through the wringer
- Fit: True to size
Windbreakers come in a few different fabrics and most tend to feel like a gritty nylon trash bag in the hand. Patagonia's Houdini, Arcteryx Squamish, and most mainstream running brand wind breakers are all some 20D-40D nylon, and they tend to be swishy, loud, and have a gritty, plasticky, unbreathable impenetrable sorta feel to them. Which is fine for some use-cases, but bad for others.
The Kor Preshell family is different. It has a smooth, silky handfeel and is quieter. It breaths so much better and packs down smaller. Goretex is great for 3L waterproof jackets, but Pertex is my choice for lighter layers. I love this material.