OR ActiveIce Spectrum Sun Hoodie Women's MSR the Siren Cami features a

the Siren Cami features a feminine scoop neck and adjustable straps for sleek everyday layering

- Color lighting for different situations: red preserves night vision and provides stealth

- complete closure with roll-top

Featuring two new HotForge carabiners-one straight gate on the top and a colored bent gate on the bottom for an added visual target-as well as a durable Polyester Dogbone

OR ActiveIce Spectrum Sun Hoodie Women's MSR the Siren Cami features aBest selling ActiveIce technology works more efficiently and effectively than ever before. Our 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