The Zone3 Balaclava is a new thermal head cover in response to the rise in swimming all year around. This balaclava is designed to fit underneath the wetsuit and provide a secure seal against water entry. Our much-loved fleeced heat tech lining is used on the sides for greater heat retention, and this is complemented with a high stretch lining to give a comfortable fit. Features: The high pile Heat tech lining traps air against the skin for greater heat retention. High stretch neoprene. Comfortable fit.