Sorel offers its Sorel Women's Cozy Cate Waterproof Boots in Peatmoss, Fawn, or Black, for $69.98 plus $6 for shipping. That's the lowest total price we could find by $22. They're available in sizes 5 to 12, although not in all size/color combinations.
REI Garage offers the Teva Women's Mush Mandalyn Wedge 2 Sandals in Harmony Magenta for $18.73. Opt for in-store pickup to avoid the $5.99 shipping charge. That's the lowest price we could find by $4. They're available in sizes 5 to 11.