OR ActiveIce Spectrum Sun Hoodie Women's MSR With its inside/outside (I/O) dual-thread

With its inside/outside (I/O) dual-thread design

For lightweight self-inflating support

Posigrip: Embossed pattern for secure grip

water-stopping

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 With its inside/outside (I/O) dual-threadBest 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