Aircast Walker Boot Aircast Or Air Walker?

Aircast or Air Walker? - aircast walker boot

The Clock Aircast'm:
http://cgi.ebay.com/Aircast-Foam-Pneumatic-Walker-foot-ankle-support-M_W0QQitemZ280293674644QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item280293674644&_trksid=p3286.c0.m14&_trkparms=72% 3A1205% 7C66% 3A2% 7C65% 3A12% 7C39% 3A1% 7C240% 7C301% 3A1318% 3A1% 7C293% 3A1% 7C294% 3A50

Air Walker'm straight:
http://cgi.ebay.com/Cam-Walker-walking-air-cast-boot-fracture-ankle-sprain_W0QQitemZ140288661794QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item140288661794&_trksid=p3286.c0.m14&_trkparms=72% 3A1205% 7C66% 3A2% 7C65% 3A12% 7C39% 3A1% 7C240% 7C301% 3A1318% 3A1% 7C293% 3A1% 7C294% 3A50

I for one foot sprain.
not considering the cost.