Average Customer Review:     (5.0) rating out of 5! 1 un-biased review(s)
02-04-2007 13:39:40 [ Mark ]
" ... Race caps do fuel you for long term endurance training or even competitions. I do both circuit training that takes 4-5 hours as well as two marathons in Boston so far. E-caps are legal and very effective. If you want that extra natural edge, try e-caps. Can't hurt. "
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