16oz Narrow Mouth Sustain Bottle Color:Cerulean kraterCooler: System of small holes

kraterCooler: System of small holes in the front of the insert that increases airflow so that your sensitive areas are kept cooler

Alpenex II™ Heathered fleece gives efficient thermal performance with improved hand feel

shape-holding micropolyester-jersey trim at the cuffs and hem provides added abrasion resistance

breathable Ventia™ fabric

the A/Div Switchback Full Zip combines a standout print with construction that’s made to roam

16oz Narrow Mouth Sustain Bottle Color:Cerulean kraterCooler: System of small holesSustainability in your hands. Nalgene is proud to be the first to market with a new resin powered by next generation recycling technology that transforms plastic destined for landfills into high performance BPA BPS free bottles. This new Nalgene Sustain product line is made from 50% certified recycled content further offsetting the use of fossil fuels and lowering greenhouse gas emissions.