(NBC News) - A company that manufactures football helmets announced the recall of nearly 6,000 helmets after 29 reports of cracked shells.
Xenith recalled Epic Varsity, X2 Varsity, X2E Varsity and Youth football helmets with a gloss or metallic-painted polycarbonate shell sold or factory-reconditioned from May 1, 2015, to March 18.

Officials stated the shells of the helmets can crack, posing a risk of head injuries, according to the U.S. Consumer Product Safety Commission.

No injuries have been reported.

Xenith officials said players should immediately stop using the recalled helmets and contact the company for a new replacement helmet.

The serial number is printed on a white sticker inside the top of the helmet. For a list of the serial numbers included, visit www.xenith.com/recall.