Here's what other sites are saying:
The BPA-free plastic of the Ultimate Direction Water Bottle isnt what makes it so special; the Kicker Valve and Easy Grab finger loop are what set it apart from the rest. The leak-proof, soft silicone valve doesnt instill fear of a chipped tooth when you bite and pull while textured grooves on the side help you keep a solid grip on your hydration.
This leak proof, ergonomically-designed 20 oz. bottle helps keep you hydrated and features an innovative Kicker valve providing increased flow. Bottle's new soft touch, leak proof "Kicker" valve for easier one-handed opening, closing and drinking. Built-in finger loop and an easy-grip ergonomic design allow you to get a handle on performance hydration. Wide screw-top cap features a leak proof seal and is easy to fill. Fits standard bottle cages; threads are compatible with most popular water filters/purifiers. FDA approved polyethylene. Polyethylene is 100% BPA free.
Ultimate Direction 10oz Bottle
Ultimate Direction Body Bottle
Ultimate Direction Body Bottle Plus
Nalgene 32 oz Wide Mouth Tritan
$8 - $11
CamelBak Chute .6L
$10 - $13
GSI Outdoors Infinity Dukjug 1L
$8 - $9
Klean Kanteen 64oz Wide