SheIn offers its SheIn Women's Long-Sleeve Lapel Pockets Coat in Black for $32.99. Coupon code "NEWSLETTER3" cuts it to $29.99. With free shipping, that's $26 off list and the lowest total price we could find. It comes in sizes XS to L.
Note: Uncheck "Add Shipping Insurance to your order" during checkout to remove the 99-cent fee. This item ships from mainland China and should arrive in three to four weeks.