Capo Modena Wind Vest
Very Very nice. The fit is great and works amazingly well. Not very costly either. It gives a lot of options for dressing in different temperature ranges without having to use either one very heavy jacket or multiple layers. It does shelter cold so much more than other vests I've tried in the past despite being completely open on the back.
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Arguing with ignorant people is an exercise in futility. They will bring you down to their level and once there they will beat you with their overwhelming experience.