Your Shopping Bag is Empty
Have an account?
Log in to check out faster.
Your Shopping Cart
Loading...
Lucky You! Free shipping on orders $49+ this weekend only! No code needed.
40% Off Winter Styles! Shop Snow Day Sale
FREE gift with purchase on qualifying Foray & Aspire Styles. Learn More
Win the Ultimate Pacific Northwest Giveaway – Enter Now!
Couldn't load pickup availability
The ActiveIce Spectrum Sun T-Shirt is built with thermoregulating ActiveIce™ technology, UPF 50+, and bluesign® approved materials, perfect for keeping body temperature in check while hiking, backpacking, climbing, or setting up camp.
Outdoor Research® gear is guaranteed to perform throughout the lifetime of the product.
Orders over $99+ qualify for free ground economy shipping. Final sale items are not eligible for return.
The 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, keeping you in the sweet spot longer while pushing the tempo or working hard. The chafe-free design, built-in stretch, and UPF 50+ are welcome essentials for long days spent under the sun, delivering comfort and maximum range of motion on reachy boulder problems or tight slot canyon squeezes.
Purpose-built for staying cool while spending long days in the mountains under the sun, the ActiveIce Spectrum Sun T-Shirt is a warm-weather staple for every outdoor enthusiast.
*All sizing is based on your body measurement.We adjust the garment for intended fit and intended use.
