Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:


Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

23°C Shoes / shoes

23°C  Shoes
23°C  Shoes

This is a pair of shoes that can be charged to warm you in cold winter.Heating cord on the insole can be heated by electric.The two special shoelaces can conduct electricity. We can charge the battery inside the shoes through two shoelaces.Once the battery is full,the power can guarantee heat for over 10 hours,which can prevent your feet from cold winter.


zhejiang university

zhejiang university
Hangzhou, China

Her Shin,
zhejiang university