The Sonic Balaclava is Outdoor Research's most weather-resistant balaclava. Breathable, waterproof WindStopper Technical fleece offers extreme protection while Polartec Wind Pro ear panels form a barrier against the cold without hindering your ability to hear. A mesh breathing port allows ventilation without exposing you to the elements.
The Outdoor Research Sonic Balaclava is available in S, M and L sizes.
Outdoor Research part numbers: 83131 L, 83131 M, 83131 S