It doesn't hurt that it's very stylish too. A cult piece of outerwear, the Define Jacket has branched out from just activewear: you'll spot people styling this ultra-flattering jacket with jeans, ...

Comfortable and durable workwear is perfect for cold ORs, clinics, and outdoor weather conditions AUSTIN, TX / ACCESS ...

These social-media-approved activewear jackets are your ticket to a snatched waist at the gym (or crunches), but which are the best to beat the rest? We take a look at our faves.