100-Ounce CamelBak M.U.L.E. 12 Mountain Biking Hydration Backpack (Various) $65 + Free Shipping

100-Ounce CamelBak M.U.L.E. 12 Mountain Biking Hydration Backpack (Various) $64.98 + Free Shipping. Amazon has 100-Oz Camelbak M.U.L.E. 12 Hydration Pack (Black) on sale for $64.98. Save 50%. Shipping is free.