Brad Pitt has really gotten PETA's goat. The animal rights group called out the Hollywood star's luxury clothing company for "misleading marketing claims" about its cashmere products — which sell for as much as $3,480 — being "responsibly sourced," The Post has learned. The "Inglourious Basterds" actor's company, God's True Cashmere, claims on its website that all garments made from the precious wool — which comes from a specific breed of goat — is "lovingly crafted for your well-being and theirs.

" 4 Shearing goats is a brutal practice, according to an undercover investigation PETA conducted last year. Getty Images/iStockphoto "Despite GTC's representations, cashmere cannot be 'crafted for their well-being,'" PETA railed in a letter to the company obtained by The Post. It has threatened to file a false advertising complaint with the Federal Trade Commission by Aug.

1 if Pitt and the California-based company's co-founder, Sat Hari, don't remove the "responsibly sourced" labeling from its website, according to the July 22 letter. There is no such thing as "responsibly sourced" cashmere, the missive added. God's True Cashmere sells garments that include $380 beanie hats, $590 pillows, $1,980 shirts, $2,350 hoodies and a $3,480 blanket.

"Our 100% Italian cashmere garments are made with every element of our product cycle in mind, from the...

Lisa Fickenscher.