Runner: If you run outdoors, you can wear a hooded sweater and a lightweight down vest. Sweater hats can replace hard sports hats-as long as the rope buckle on the hat mouth is pulled closer, the wind will not be exposed.

Mountain bike, cross-country: sweater+wind (rain) dual-purpose shirt+wool hat. Sweaters are best worn next to each other. Most of their fabrics are thick and warm.

Fitness in the gym: cardigan sweater+vest (or T-shirt). It's hot to run, so it's better to open the sweater, which is convenient and elegant.

Yoga Yoga: A fitness sweater+sports bra. If you are a girl with long hair, you can wear a hat when doing yoga. The hat can hold your hair. In addition, it will make your style "cool"-the sweater itself has a "rebellious temperament".

I bought a sweater for you and me on the Internet the other day, and I feel that the quality is very good, much better than ordinary sweaters. You can have a look.