>>2007264I work in wildland fire, and would never do this. Just in the last season, I met a guy that would need a knee replacement before 30 and a crew boss whose doctor said he'd be lucky to walk at 50.
There is olympic athletes that run and are in extreme pain at the end because the heel strike of their thick wedge shoes runners. the Tarahumara in contrast have anecdotes of running hundreds of miles in a day wearing their thin huarache sandals.
Every time you heel strike, particularly on concrete or a treadmill, you are causing a vibration that goes up your knees and to your back to stabilize the shock. While I'm not ultralight, boots are an exception to the longitivity of your out career. The stories of lifelong injuries with whites and Nick's for wildland firefighters are numerous.
