Spoke-N-Sport - Colder temps bring out some fun products. This is easily added to your Camelbak to keep your water flowing freely, even in the most harsh conditions. Buy one and we'll
CamelBak Crux Insulated Tube | REI Co-op
CamelBak Crux Thermal Control Kit - Martins Bike Shop
Camelbak - Crux Thermal Control Kit | Outdoor Gear Exchange