Smartwool Thermal Merino Reversible Headband size-10-5 Ribbed crew neckline and relaxed

Ribbed crew neckline and relaxed fit work whether you're on the boat

Breathable construction reduces overheating

Adjustable cuffs and hem let you seal out drafts and fine-tune fit over layers

Machine washable and PFAS-free

Pertex Shield Diamond Fuse fabric is five times more tear-resistant than the previous version

Smartwool Thermal Merino Reversible Headband size-10-5 Ribbed crew neckline and relaxedWhen the temperature drops and you're still pushing miles or grinding up a ridge, you need ear protection that won't quit or overheat you. Pure merino wool regulates heat naturally and fights odor through long efforts, while the reversible construction gives you two looks in one packable piece. It's a small addition to your cold weather kit that earns its spot every time. 100% merino wool construction delivers natural warmth, moisture wicking, and