The North Face has The North Face Surge 31-Liter Backpack on sale for $77.40 - 25% ($19.35) off when you apply promo code STAYCOZY at checkout = $58.05 (scroll down in cart and find 'Apply a promo code' below the 'Secure Checkout' button). Shipping is free.
Update: This popular deal is still available.The North Face has The North Face Surge 31-Liter Backpack (NF0A3ETV-C1) on sale for $77.40. Shipping is free. Available optionsSurge Backpack (various colors) $77.40Women's Surge Backpack (Black/Heather/Purple) $77.40