The Sock Hood Balaclava from BlackStrap® is a staple in the line. With its custom 3-panel contoured design to maximize helmet compatibility and comfort, you might just start wearing it to bed. Mindfully constructed with TREO fabric technology allowing for optimal breathability and thermal regulation, The Sock Hood features a 360° PERFA dual-layer mesh liner construction that provides maximum protection from wind and cold temps, with an articulated face opening that can be worn on your nose or under your chin without restriction.