It's a logo of a climbing anchor which looks sort of like a curved triangle with its point to the upper right. On the left is a double line representing that the item has depth and then on the item is a circle on the right side and an oblong curved shape to the left inside it.
Related to Climbing Anchor Icon
Related icons are the icons with matching tags, as well as all sports icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors