Merino Wool Thermal Base Layer Seamless Design

Minimal seams, maximum warmth—this base layer moves quietly with you through alpine dawns and chill descents. Merino’s natural thermoregulation keeps your core steady so you can focus on the climb, not the cold. Ultra-fine merino blend insulates even when damp Smooth, seamless construction eliminates chafing under packs or shells Slim fit layers easily without bulk or restriction