It is exiting from Studio. W and WCollection clothing ranges, it said in a brief presentation posted on its website.
Food sales rose 10.9% in SA, continuing to show positive momentum with volume growth and market share gains despite a ban on alcohol sales in July and December.
In Australia and New Zealand, sales at David Jones, the upmarket department chain, and Country Road Group were hit by a lockdown in the state of Victoria and lower footfalls.
This was partially offset by government relief packages, rent relief from landlords and further growth in online sales.
Overall group turnover and concession sales rose by 5.3% in the first half, recovering from a 4% decline in the second half of its financial year to June 28.
The retailer said headline earnings per share (HEPS), the main gauge of profit in SA, surged by 58.3% to 261.1c. Adjusted diluted HEPS, which strips out certain items, rose by 19.4%.
Woolworths last posted a profit increase for a six-month period ending in December in 2015.