Our heads are the first point of contact with the water when we swim.It's a shame we don't have the sleek streamlined shape of dolphins.
Our heads are blunt, most heads have hair. Hair causes drag. The
longer the hair the greater the drag, plus wet hair adds weight and the more
hair a swimmer has the more weight she has to move through the water
when she swims.
If you really want to swim fast, shave your head. Most swimmers don't
want to sacrifice their hair for the sake of swimming.
If you're not going to shave your head then you should definitely wear
a racing cap. I prefer the kind of caps that don't have wrinkles, since
wrinkles can add drag.
If the ball in the back.
Caps slide on easier when wet than dry.
World class sprinters wear their goggles under their caps.
If your goggles have an eye piece ridge, place the bottom of the cap
over the top ridge of your goggles and it will be practically impossible
for you to lose your goggles when you dive in.
If your hair is too long for you to put your goggles on first,
put on a cap, then put on goggles, then put on another cap.
If Try the:
*Speedo Racer Dome Silicone Cap* or the
*Nike Swim Dual Durometer Cap *
http://www.swimoutlet.com/Silicone_Swim_Caps_s/293.htm
For those of you with long hair who refuse to cut it,
Speedo offers the Long Hair Silicone Cap
.
If you're swimming freestyle, try to pull it off on a turn.
The Big Swim is a one-of-a-kind open swim meet where 1,000 
