Helmet : The Boa system is n't attached to the ear pads , unlikely other helmets .
These can be removed to use with a beanie or headband underneath , but you still have the superior fit from the Boa .
Helmet : The Boa system is n't attached to the ear pads , unlikely other helmets , so these can be removed to use with a beanie or headband underneath , but you still have the superior fit from the Boa .