3M Thinsulate Winter Helmet Liner

40 gram 3M™ Thinsulate® lined, fully waterproof and breathable helmet liner. 
Two velcro attachments at the top allows it to be firmly attached to the helmet and prevent it from slipping off during use.
Designed to keep workers comfortable and focused in cold weather. 
Ultra-lightweight design
Ideal for use in wet or snowy conditions without you overheating. 
Anatomically shaped and includes a neck/chin brace with Velcro fastening to ensure a secure, snug fit even in the most challenging conditions.