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Additives in this fiber absorb the NIR rays of a light source to raise the temperature of a garment, while insulation traps warm air to minimize heat loss.

Made from 100% recycled resources, this lightweight insulation fiber is hollow to trap heat against the body and provide permanent lightweight warmth.

This high-tech performance fiber for lightweight, quick-drying socks is embedded with ceramic pigments that absorb & reflect FIR energy back to feet as heat.

Hollow core fibers offer lightweight warmth when it’s cold, moisture-wicking fibers help you stay cool and dry when it’s hot. Made with 100% recycled resources.

This 500 fill down alternative insulation is GRS certified and made from 100% recycled PET bottles. Enjoy lightweight warmth even when wet & faster drying times.

Made with advanced polyester fibers, this breathable, water resistant insulation offers a higher warmth-to-weight ratio and dries quickly for enhanced comfort.