Here's what other sites are saying:
Add some color to your water breaks with the 16 fl. oz. REI Nalgene Narrow-Mouth Loop-Top water bottle. It's made with tough TritanTM plastic in attractive translucent colors.
REI Nalgene Narrow-Mouth Loop-Top Water Bottle - 32 fl. oz.
REI Nalgene Logo Wide-Mouth Loop-Top Water Bottle
$9 - $10
REI Loop-Top Stainless-Steel Water Bottle 18 oz
REI Sport Top Stainless-Steel Water Bottle
Nalgene 32 oz Wide Mouth Tritan
$7 - $11
GSI Outdoors Infinity Dukjug 1L
CamelBak Podium Bottle 24oz
$5 - $9
$7 - $9