Is the UltraFlask durable enough for freezing or hot liquids

Performance you can feel on every ride

The FREE 1

where timeless design meets cutting-edge technology to redefine your riding experience

internal lining with 'fold over' cover to minimize any discomfort from the zip

Socks - Olive Ridge Rider BiKASE Is the UltraFlask durable enoughAtop a vantage point, you can look out over this great country side and see layers of trees, ridges, valleys, and mountains. Didn't quite make it to the top of that vantage point this time? Just look down at your ankles in these socks. You're welcome. Now head back to the truck for a post ride bevvy.