Updated.Smart Bargains currently has two pairs of Birkenstocks (either the pictured Birko-Flor or the Birki-Buc), for men or women, on sale for $49.99 each. New customers can use our exclusive 15% off coupon and drop the price to only $42.49. Returnees can get free shipping with $100. Both of these popular models are available in a wide variety of sizes for both men and women. Shipping adds $9.95 and there is no sales tax (except MA, KY, NC).