Our premier RFL next-to-skin fit and feel, knit from lightweight synthetic Thermolite. Enhanced boot connection, breathability and Darn Tough durability.

• Performance Fit: No slipping, no bunching, and no blisters.
• Fine Gauge Knitting: Unprecedented durability and our unique "put it on, forget it's on" feel.
• Fast Action Wicking: Pulls moisture away from skin. Fast drying.
• All Weather Performance: Cool in the summer, warm in the winter.
• Guaranteed For Life: No strings. No conditions. For life.
• Merino Wool is fast drying, breathable and odor resistant for all-day comfort.
• Undetectable seam fusion for an ultra smooth, invisible feel.