Outdoor Research ActiveIce Spectrum Sun Mens Short Sleeve T-Shirt Colour:Galaxy The Photon is coveted because

The Photon is coveted because of its combination of ideal features—durable

provides comfort and a good feeling on the skin thanks to the soft touch organic cotton

Building on over a decade of experience in collapsible drinkware

balanced and strong

Outdoor Research ActiveIce Spectrum Sun Mens Short Sleeve T-Shirt Colour:Galaxy The Photon is coveted becauseActiveIce technology works more efficiently and effectively than ever before. Proprietary self cooling technology now reacts to increases in your body temperature by dynamically cooling you faster when you need it most. A special additive drives this cooling process via phase changes, which keeps the wicking, breathable, and quick drying ActiveIce technology the ideal solution for anyone who spends serious time in hot, sweaty, sun baked conditions.