Forty Below Bottle Boot
1.0 Liter size
The Forty Below® Bottle Boot™ 1 Liter size is a high performance insulated bottle cover and holder that helps keeps water from freezing, especially in extreme cold environments.
UPDATE 9-01-21 TEMPORARILY OUT OF STOCK, MORE DUE 9-15-21
Please contact us if you would like to be notified as soon as they are available, we are glad to get you on our reserve/contact list!
It fits perfectly on the Nalgene 32 oz. bottles and the 40 Below Cold Weather Water Bottle. Our 6 sizes of bottle covers have been used on the world’s coldest and highest places, since the 1970’s!
Please see below for additional information and specifications.