This deal has ended.
Check out this CamelBak DayStar 70 oz. Hydration Pack, originally $71.99, now for $46.95 at Sunny Sports. Shipping adds $6, but this is still the lowest price we found anywhere by $12. The pack is available in dark purple (pictured) and blue, features an s-curved shoulder harness, includes an easy-to-clean mouth opening and has side pockets. There is no sales tax (except NY).