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 5-17-21 TEMPORARILY OUT OF STOCK. SORRY!! WE HOPE TO HAVE MORE AT THE END OF MAY/FIRST PART OF JUNE. CONTACT US TO BE ON THE RESERVE/CONTACT LIST AS SOON AS THEY ARE READY!
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.