Montero used only 100% PrimaLoft® Silver Performance Yarn to provide the best quality and functionality for its Underwear.

This next-to-skin underwear serves as the foundation for your next adventure as the baked-in functionality is crucial for the overall clothing system comfort. PrimaLoft® Silver Performance Fabric rapidly evaporates perspiration during high-output situations, offering you a drier wearing experience that regulates body temperature.

With a proprietary water-repellent finish applied to fibers half the size of Cashmere, a soft, dry and breathable foundation is ensured for all conditions. PrimaLoft® Silver Performance Fabric provides second-skin comfort and patented wet performance you’ve come to expect from the PrimaLoft brand.