Bouldering is a style of rock climbing undertaken without a rope and normally limited to very short climbs over a crash pad (called a bouldering mat) so that a fall will not result in serious injuries.

Bouldering is a style of rock climbing undertaken without a rope and normally limited to very short climbs over a crash pad (called a bouldering mat) so that a fall will not result in serious injuries.

For more information please see the Wikipedia page on Bouldering.