The tumbler lid features tri-mode flow control

2CM H X 36

Operation buttons1

soft-edged harness contours to the upper shoulders to keep the pack close to your body and provide stability

refrigeration grade foam insulation and the 'Labyrinth Seal Design' combine to achieve longer lasting ice

COLUMBIA Omni-Heat Inifnity Heat III Unisex Beanie Color:Navy The tumbler lid features tri-modeWinter cap, highly technical, including heat retention and dehumidification technologies, knitted in extra soft acrylic fiber with a caressing touch Technologies: Omni Heat Reflective lining with technology that returns body heat, manages to raise the temperature around the body by an average of 20% without adding any weight or volume, without compromising the removal of moisture and excess heat quickly and efficiently of quality thermal fabric. Thus