Water Bottle that keeps water cold

That's what I said: a 30-miler.

Seriously, half ice cubes, half liquid, after my one-hour weekday ride I'll still have ice in the bottle. Half hour or so later it's still cool. This is in 95-degree south Louisiana evenings.

I thought it was hard to squeeze too so I sort of sucked it instead.  I don't remember if my lips got pinched, I lost it sometime after my tri last summer.   I did like it though and will probably get another one at some point.

Make sure you drink the whole bottle before it gets warm.  If you are riding in 95 degree heat, you should be drinking a full 20 oz bottle in one hour.  If you are drinking less you are going to dehydrate. 

When I go for long rides in the summer I carry 2x20 oz bottles, I generally finish one and about half the other in 60 minutes.  I will stop and refill both once I get someplace where I can get cold water.  Many of my summer rides have lasted 4-5 hours, and I find I am still wanting more to drink.