Since each state differs in their tax legislation, it depends on where you’re delivering to, but also what kind of goods you are selling. It can be that some products from the Spreadconnect assortment, for some states, are tax-free, whereas other products in the same state are subject to tax.
Our tax partner Avalara has compiled more information on tax exemptions here: https://www.avalara.com/us/en/learn/whitepapers/sales-tax-clothing-industry.htm