Outdoor Research ActiveIce Spectrum Sun Mens Long Sleeve Hooded Top Brand_YY Vertical it is not appropriate for

it is not appropriate for alpine snow camping unless you're an experienced alpinist

Built for extended day hikers

The jacket is geared up for gaining altitude with a double-ended zip for easy belaying

which is capable of surviving cold

At only 66mm long and just over a half of an inch round

Outdoor Research ActiveIce Spectrum Sun Mens Long Sleeve Hooded Top Brand_YY Vertical it is not appropriate forThe ActiveIce Spectrum Sun Hoodie 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 hoodie 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, keeping you