![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031444/650x750x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031444/65x75x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031456/65x75x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031461/65x75x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031463/65x75x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031465/65x75x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57698198/65x75x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57698212/65x75x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57698222/65x75x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57698225/65x75x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
Layer-up for full immersion in winter with a midlayer that sets the bar for breathability, movement, and sweat management.
Leave no line untracked. The men's Burton [ak] Helium Power Grid™ Half-Zip Fleece is designed for high-output activities where swea
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Layer-up for full immersion in winter with a midlayer that sets the bar for breathability, movement, and sweat management.
Leave no line untracked. The men's Burton [ak] Helium Power Grid™ Half-Zip Fleece is designed for high-output activities where sweat-wicking and breathability are a must. It's light, full of stretch, and can be worn as a base or midlayer depending on the conditions.
Wear it for Everything You Do
Four-way stretch fleece offers multi-sport utility and works as base or midlayer depending on the temperature.
Warmth and Breathability
Midweight Polartec® Power Grid™ fleece breathes great and manages sweat when your hiking or working hard.
Small Details Make a Big Difference
Thumbhole cuffs, chafe-free seams, and reflective details give it a technical edge.
Low Environmental Impact
Bluesign® approved materials reduces impact on humans and the planet during manufacturing.
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031444/325x375x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg "Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece")
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031456/650x750x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031461/650x750x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031463/650x750x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57031465/650x750x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57698198/650x750x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57698212/650x750x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57698222/650x750x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)
![Burton Men's [ak] Helium Power Grid™ Half-Zip Fleece](https://cdn.shoplightspeed.com/shops/618796/files/57698225/650x750x2/burton-mens-ak-helium-power-grid-half-zip-fleece.jpg)