under landing pressure (excessive twisting can lead to runner's knee and other joint alignment injuries). To test the torsional rigidity of a running shoe, hold it at the heel and toe with both hands and try to twist the sole from side to side
. There is no chafing, and it remains comfortable throughout runs of all distances and in all conditions, especially the treadmill - the acid test!Weaknesses: The price is an obvious drawback, but as with other items, the T-shirt can be found cheaper by shopping around
