Wingsuit

Wingsuit is an item that allows the player to fly, when his scarf is full. When this happens, a button appears on the left side of the screen.

Tutorial
Wingsuit have a tutorial how-to-use, that is shown after-purchased. It can be replayed as follows:

Menu > Settings > Replay Tutorials > Wingsuit

Wingsuit Timer
This increases the duration of Wingsuit. Can be purchased at Izel's Workshop.

Prices
There are 5 levels of upgrade.