Outdoor Research ActiveIce Spectrum Sun Mens Short Sleeve T-Shirt Brand_Source letting you continue to enjoy

letting you continue to enjoy it days or even weeks later

Designed with an efficient drawcord sealing mechanism for when you're not climbing

For precision and maximum responsiveness when training or competing

while kickstand vents maximize airflow

A true 3-person tent

Outdoor Research ActiveIce Spectrum Sun Mens Short Sleeve T-Shirt Brand_Source letting you continue to enjoyThe ActiveIce Spectrum Sun Long Sleeve Tee is built with thermoregulating ActiveIce technology and bluesign approved materials, perfect for keeping body temperature in check while hiking, backpacking, climbing, or setting up camp. This tee is built with an ultra comfortable, breathable, and quick drying polyester blend treated with our proprietary ActiveIce technology. ActiveIce reacts to your body's rising temperature by cooling down your core,