Outdoor Research's 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.

Fabric Performance:

• Lightweight
• Quick Drying
• Wicking
• Breathable
• ActiveIce Cooling
• Movement-Mirroring Stretch
• UPF 50+

Design Features:

• Slight Adjustment to Fit to be Trimmer
• Interior Center Back Locker Loop
• Chafe-Free Design with Dynamic Reach
• Thumb Holes
• Side Slits at Hem for Better Movement