KnitWarm @ ISPO 2019 - Fashionating World

"ISPO Munich, the world’s largest trade fair for sporting goods, focused on sportswear" Innovations on display

KnitWarm, based in Hong Kong, presented a patented self-heating textile that boasts softness, flexibility and breathability. The company also showcased its 4-in-1 jacket that consists of two jacket layers that zip together.

Excerpt from

https://www.fashionatingworld.com/new1-2/ispo-munich-2019-focuses-on-women-s-sportswear