in outdoor shoes and under the

stringent requirements.

now let's look at the effects of friction in the last parameter, contact area.most of the actual use of the circumstances, this indicator is the most influential we marched along the sensation of different pavement.we all know that soles are a variety ugg argyle knit boot of patterns, and do these patterns stored in order to increase the size of the ground friction shoes (that is, as we often say ugg classic short boot pacific grab interested), but why can increase the tread pattern and ground friction shoes? its conclusion is: tread pattern ugg classic cardy blue can effectively increase in outdoor shoes and under the