Last reviewed: August 2026 | Reviewed by: Parent Coach Playbook Editorial

This article provides general educational information and is not medical advice. Follow the equipment manufacturer’s instructions and the current rules of your child’s program.

A clean shell does not reveal a helmet’s impact history. An old bat can look legal while carrying the wrong certification mark for this season. Used gear starts with the rulebook, not the price tag.

The helmet rule: verify the product, not its age alone

There is no honest three-year rule for every sport helmet. Standards, labels, recertification options, manufacturer instructions, impact history, fit, and league rules differ by product.

For football, lacrosse, ice hockey, and baseball or softball helmets covered by NOCSAE standards, inspect the model, manufacture or recertification labels, and required certification status. NOCSAE’s current recertification guidance says intervals depend on manufacturer requirements. It also explains that a licensed reconditioner disassembles and inspects a helmet before recertification.

Do not call a sticker a guarantee. NOCSAE sets performance standards, while third-party bodies oversee certification to those standards. If the seller cannot provide the helmet’s history or the required label is expired, ask the manufacturer or a licensed reconditioner before use.

Bicycle helmets use a different rule. CPSC-required instructions warn that a helmet may have invisible damage after an impact and should be returned to the manufacturer or destroyed and replaced. With an unknown crash history, pass on the used bicycle helmet.

The bat rule: current mark, current list, sound condition

A bat does not become legal because it is intact. Start with the league’s current bat rule, then match the permanent mark on the bat.

USA Baseball says non-wood bats in leagues that use USABat must carry the USABat certification mark. It also maintains decertification rules, so check the current approved status before buying.

Reject a bat with cracks, dents, a loose end cap, altered markings, or signs of tampering. Ask the manufacturer about rattles or other changes instead of assuming age alone makes the bat safe or unsafe.

The baseball-specific USA versus USSSA bat guide explains why one valid mark may still be wrong for a league.

The fit-and-condition rule for everything else

Cleats, bags, practice clothing, many sticks, and non-structural accessories can often be bought used. Check fit, sole separation, sharp edges, cracks, missing fasteners, odor, mold, and whether replacement parts are approved by the manufacturer.

Buy a new personal mouthguard and follow its fitting directions. Replace any item the manufacturer identifies as single-use or non-transferable.

For the budget decision after the safety screen, use the actual used-versus-new math. Football families should also check the current program list against the youth football equipment guide before buying a helmet or pads.

Sources reviewed