Wear the Unisex Quantum Headband under a helmet or solo on chilly days.For added warmth without bulk, the Quantum Headband is made from a soft, breathable 260gm merino terry fabric that layers easily under a helmet, and is sculpted to cover the ears while enabling breathability for your head. It folds tiny to fit in your pocket, so you can bring it when you run, on early morning bike rides, or when you ski or snowboard.
FABRIC: 260gm terry / 98% merino / 2% LYCRA
BENEFITS: Under helmet warmth, lightweight, breathable
FEATURES: Sculpted, sleek fit, 260gm merino is warm and breathable