White Sox's Hector Noesi wearing protective cap inserts made with Kevlar

As safety concerns have increased about pitchers being defenseless against line drives back to the mound, has gone to work to make protective caps available. According to ESPN, White Sox pitcher Hector Noesi is one of two pitchers so far — the Yankees’ Esmil Rogers is the other — employing a new technology this season, wearing a protective insert made partially of Kevlar material.  MORE: Bonds ‘can’t wait’ for A-Rod’s 660th homer | Pujols stands alone in 18th on all-time list | Springer’s incredible catchThe “Dome” insert is produced by Unequal Technologies, whose CEO, Rob Vito, spoke with ESPN about the makeup of his company’s new protective inserts.  Vito said the padding is a 5½-ounce military-grade composite, with one layer of coated Kevlar and another of a soft proprietary material called airilon.Unequa

l’s inserts are not yet approved by , but that doesn’t mean that Noesi and Rogers are forbidden to use them, so long as they don’t interfere with play. Vito told ESPN that Unequal has done independent testing on its product and plans to seek ‘s approval. Before Unequal’s Kevlar inserts, approved padded caps that added bulk and didn’t catch on with major league pitchers. Vito hopes that his company’s solution to protective caps will be recieved more favorably. “I think will welcome the fact that players have armored up their protection,” Vito told ESPN. CSN Chicago’s Jen Lada reported on the caps on the White Sox’s broadcast Friday.