CamelBak L.U.X.E. Women's Hydration Pack (100 Fl. Ounce) for $43.93.  Select free ship to-store for in-store pickup at REI. Otherwise shipping is $5.99, making the total $49.92 shipped, or, shipping is free for REI members on orders over $75.00.  Here is a screenshot for reference.  This CamelBak is specifically designed for women.  It features a women-specific harness that conforms to a woman's frame, air-mesh harness is lined with soft Velvetex, a removable waist-belt adds stability, and a multiple storage compartment for gear.  It is available in either Black/Barberry and Brindle/Silver.  Most places have it for about $89.