decreased $65.8 million, or 6.5% during the first nine months of 2023, compared to the first nine months of 2022, reflecting the challenging macroeconomic environment. Despite the competitive retail landscape, we leveraged our leading speed capabilities in certain brands to drive sales of selected trending product, including casual flats, loafers, moccasins, ballerina flats and fashion sneakers. On a consolidated basis, our direct-to-consumer sales grew to approximately 72% of total net sales for the nine months ended October 28, 2023, compared to 71% for the nine months ended October 29, 2022.
Gross Profit
Gross profit increased $0.5 million, or 0.1%, to $340.4 million for the third quarter of 2023, compared to $339.9 million for the third quarter of 2022. As a percentage of net sales, gross profit increased to 44.7% for the third quarter of 2023, compared to 42.6% for the third quarter of 2022, driven by an increase in the Brand Portfolio segment gross margin reflecting lower inbound freight costs, lower inventory markdown requirements reflecting our improved inventory position, and higher merchandise margins. We anticipate the trend of lower freight costs to continue for the remainder of fiscal 2023.
Gross profit decreased $46.5 million, or 4.6%, to $957.2 million for the nine months ended October 28, 2023, compared to $1,003.7 million for the nine months ended October 29, 2022, primarily reflecting lower net sales. As a percentage of net sales, gross profit increased to 45.1% for the nine months ended October 28, 2023, compared to 44.2% for the nine months ended October 29, 2022, driven by an increase in the gross margin of our Brand Portfolio segment, partially offset by a decrease in the gross margin of our Famous Footwear segment.
We classify certain warehousing, distribution, sourcing and other inventory procurement costs in selling and administrative expenses. Accordingly, our gross profit and selling and administrative expense rates, as a percentage of net sales, may not be comparable to other companies.
Selling and Administrative Expenses
Selling and administrative expenses decreased $9.5 million, or 3.3%, to $273.7 million for the third quarter of 2023, compared to $283.2 million for the third quarter of 2022. The decrease was driven by lower anticipated payments under our cash and share-based incentive compensation plans, partially offset by higher advertising expense and higher retail facilities costs. As a percentage of net sales, selling and administrative expenses increased to 35.9% for the third quarter of 2023, from 35.5% for the third quarter of 2022, reflecting deleveraging of expenses on lower net sales.
Selling and administrative expenses decreased $22.7 million, or 2.8%, to $789.6 million for the nine months ended October 28, 2023, compared to $812.3 million for the nine months ended October 29, 2022. The decrease was primarily due to lower anticipated payments under our cash and share-based incentive compensation plans and lower warehouse costs, partially offset by an increase in facilities costs. As a percentage of net sales, selling and administrative expenses increased to 37.2% for the nine months ended October 28, 2023, from 35.8% for the nine months ended October 29, 2022, reflecting deleveraging of expenses on lower net sales.
Restructuring and Other Special Charges, Net
Restructuring and other special charges of approximately $2.3 million ($1.7 million on an after-tax basis, or $0.05 per diluted share) and $3.9 million ($2.9 million on an after-tax basis, or $0.08 per diluted share) for the three and nine months ended October 28, 2023, respectively, were associated with expense reduction initiatives, primarily severance. Restructuring and other special charges of $2.9 million ($2.7 million on an after-tax basis, or $0.07 per diluted share) during the third quarter and nine months ended October 29, 2022, related to a CFO transition at our corporate headquarters. Refer to Note 5 to the condensed consolidated financial statements for additional information related to these charges.
Operating Earnings
Operating earnings increased $10.6 million to $64.4 million for the third quarter of 2023, compared to $53.8 million for the third quarter of 2022, reflecting the factors described above. As a percentage of net sales, operating earnings were 8.5% for the third quarter of 2023, compared to 6.7% for the third quarter of 2022.
Operating earnings decreased $24.8 million to $163.7 million for the nine months ended October 28, 2023, compared to $188.5 million for the nine months ended October 29, 2022, primarily reflecting lower net sales and gross profit. As a percentage of net sales, operating earnings were 7.7% for the nine months ended October 28, 2023, compared to 8.3% for the nine months ended October 29, 2022.
Interest Expense, Net
Interest expense, net increased $0.5 million, or 12.1%, to $4.5 million for the third quarter of 2023, compared to $4.0 million for the third quarter of 2022. Interest expense, net increased $6.4 million, or 71.5%, to $15.3 million for the nine months ended October 28, 2023,