A ‘making-of’ video featuring behind-the-scenes footage of SNSD‘s YoonA and actor Lee Min Ho‘s commercials for Eider has been revealed!

The video shows the difficulties the two celebrities has to overcome in order to climb the side of a steep mountain. The determination and endurance both YoonA and Minho showcased is admirable.

Regarding the endorsement, Lee Min Ho has commented, “Every man wants to be an outdoor brand model, so I’m very happy about that and I will work very hard to establish a positive brand image.”

Check out the full video below!