i heard speak of oxygen tents as they are a 'legal' way of simulating altitude and thus produces natural EPO in the blood when training and racing. Given Sky even take their own mattresses to the tour this doesn't sound ridiculous.
Yep Brad talked about sleeping in one in his spare bedroom at home in one of the docs last year.
Yep Brad talked about sleeping in one in his spare bedroom at home in one of the docs last year.