It is an ice skate. It looks like a boot with laces all up the front. On the bottom of the boot a curve comes out at the heel and the toe, it's attached to a ski that is turned up at the front.
This Ice Skate icon is made in flat color style
. This format was developed by Icons8 designer team and became immensely popular for use in web and mobile applications. Feel free to download this icon in PNG format for free, or unlock other formats for $5. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 6,000 icons, all in the same style and quality.