Build Up JacketDescription Relaxed fit: This garment is slightly loose for enhanced comfort. Thanks to DryVent fabric that's both windproof and waterproof, the Build Up Jacket is just what's needed on epic backcountry adventures. But while it delivers long lasting protection in the harshest winter conditions, it's breathable enough to stop you from getting hot and sweaty as you tear it down the slopes. The pre tensioned hood is helmet compatible, and there's a