Duluth Trading Co. offers its Duluth Trading Co. Men's Field Office Hybrid Duffel Bag in Green for $89.50. Coupon code "GIVE75" cuts it to $71.60. With free shipping, that's $18 under the lowest total price we could find for a similar duffel elsewhere. It features exterior cinch straps and converts to a backpack with tuck-away padded straps. Deal ends December 2.