307 Seventh Ave between 27th and 28th Sts, suite 2307. Subway: 1 to 28th St. Shoes from this NYC brand are 50 to 75 percent off. Pick up Butter over-the-knee leather boots for $300 (were $598); glitter pumps tagged $120 (usually $325); and gold-heel flats, clipped from $260 to $120. If you buy two pairs, you’ll get an extra $20 off. Stop by the ATM—this sale is cash-only.