10 Products Alpine Skier Mikaela Shiffrin Recommends For Beginners

Helly-Hansen Women's Hp Hybrid Insulator 2.0 ($175)

"When you're up on the mountain, it can go from pretty chilly to pretty sunny — and actually, kind of hot!" shares Shiffrin, who notes she's constantly shifting between piling on extra layers and stripping down to her base on any given day.

Rather than commit to one mega-puffy outerwear piece, she recommends choosing a lightweight but effective insulated midlayer or shell to pair underneath one's ski jacket: "This is a perfect way to layer up and stay warm."