The evoc cc 6l hydration backpack is a great performance pack designed to a minimalist specification with built in comfort for when you need to give it your all on the trails lightweight and crafted from durable pu coated materials this evoc hydration pack delivers functionality in a low profile design ideal for xc riding an ergonomic design provides comfort in the saddle and even weight distribution for fatigue free usage a specially designed articulates excellent ventilation to keep you fe