Bump Hat Insert Easy Installation Breathable Shockproof Baseball Caps Insert Style A

Bump Hat Insert Easy Installation Breathable Shockproof Baseball Caps Insert Style A.Bump Hat insert, cap circumference 56cm-60cm/22.05inch-23.62inch.The hard hat insert is made of sturdy shelling, built in protective buffer cushion, impact resistant, not easy to break or deform, wear resistant and durable to use.The protective hat liner insert provides reliable protection, and effectively protects your head against bumps, scrapes, bruises, etc.Vented hard hat inner shell insert, breathable and lightweight, not stiff or bulky, venting holes enhance breathability to keep cool, comfortable to use.Universal bump hat insert for baseball caps, hard hats and other different caps, easy to install.Universal Bump Hat Insert Lightweight. Vented Hard Hat Insert Accessories Men Women. Protective Hat Liner Insert Breathable Durable. Baseball Caps Insert Shockproof Protection. Hard Hat Inner Shell Insert Easy Installation.