With a Carbonteck cover fitted with the correct silicon in the correct way

high temperature lubrication

between the lens and tear-offs

each passageway is like hundreds of very small centrifugal/oil bath filters connected one to another

#L (59-63cm – 23 1⁄4 - 24 3⁄4")

EVOC - Ride 8 Hydration Backpack MTB Jackets With a Carbonteck cover fittedGREAT EVERYDAY USE This hydration backpack works perfectly for more than just biking, such as in school, university, or just for your regular daily routine NEXT LEVEL COMFORT Our Air Pad System with its arrangement of five ventilation channels provides optimal breathability, and the extra wide hip belt keeps it in place STAY HYDRATED A small hydration pack compartment is ready to accept a hydration bladder up to 3 liters in size and comes with a 2L