This is why the South Plains Mall is stepping in to offer some assistance for back-to-school shoppers. Tax-Free Weekend in LubbockThe annual three-day sales tax holiday is coming up on Friday, August 7, through Sunday, August 9. This is when retailers won't charge sales tax on certain clothes and shoes that have price tags under $100. On top of it all, many retailers at the South Plains Mall will offer additional sales and promotions starting this weekend. Full Schedule for Tax-Free WeekendCheck out the South Plains Mall Back to School webpage to see the full list of activities and opportunities to save right here in Lubbock.