We agonized about which of Mountain Hardwear’s new line of products was ... At just under two ounces, it will certainly be one of the lightest wind- and water-resistant shells on the market.

Subscribe today. Mountain Hardwear’s Kor Airshell Warm Jacket ($200) confuses me. I’ve been wearing it almost daily for more than two months now, and I still don’t know what it is.