Chill it is
Verified Buyer Reviewed by The cyclist from Palo Alto, CA on Saturday, July 5, 2014
87 degrees and cloudless but twenty five miles and two hours later there was still ice in the bottle! That's why I own four of these, the mere thouoght of biking in hot weather without two in the holders is depressing. They need to make them in more colors. Definitely 5 stars!