Here's what other sites are saying:
Conserve your energy and carry your fluids with little effort. This new innovative handheld is designed especially for UltrAspire's gravity assisted angled bottles. Comes standard with a Human 8 oz. bottle. Stretch mesh sides carry energy gel or other items. Adjustable strap for a custom fit.
UltrAspire Isomeric 16
UltrAspire Isomeric Race 20 oz.
UltrAspire ISomeric Magnon Water Bottle
UltrAspire ISomeric Pocket Water Bottle
Nalgene 32 oz Wide Mouth Tritan
$7 - $11
Klean Kanteen 64oz Wide
$8 - $9
CamelBak Chute .6L
$8 - $13