Provided is a protective headgear that includes a first shell section, second shell section, third shell section, and fourth shell section. The first shell section is configured to extend about a head of the user, and include a first central portion, a first strap and a second strap that extend from the first shell section. The first central portion includes a first protective layer and a second protective layer disposed atop the first protective layer. The second shell section is configured to extend about a jaw of the user, and include a second central portion, a third strap and a fourth strap that extend from the second shell section. The third shell section is connected to the first shell section by the first strap and the third strap, and the fourth shell section is connected to the second shell section by the second strap and the fourth strap.

A batting helmet having localized impact protection comprises a rigid shell with a padded inner core affixed therein. Localized impact protection comprises additional padding attached to the inner core, increased thickness of the rigid shell, increased stiffness of the rigid shell, and additional padding attached to the rigid shell, alone or in combination, positioned in various regions of the helmet.

A batting helmet having localized impact protection comprises a rigid shell with a padded inner core affixed therein. Localized impact protection comprises additional padding attached to the inner core, increased thickness of the rigid shell, increased stiffness of the rigid shell, and additional padding attached to the rigid shell, alone or in combination, positioned in various regions of the helmet.

A safety helmet and accessory system for construction worksites. The system includes a safety helmet that defines two apertures, each aperture being positioned on the helmet so that they will correspond to a user's left and right ears when the safety helmet is placed on the user's head, the safety helmet has a plurality of cord holder attachments attached within an inner circumference of the safety helmet. A pair of capsules, each capsule is secured within each aperture of the safety helmet. A cord that has two terminal ends and each terminal end has a securing device. And, a pair of earplugs that define a stem, the stem of each ear plug has a receiver that receives each securing device. The system provides a safety helmet that has an integral earplug securing system.

A safety helmet and accessory system for construction worksites. The system includes a safety helmet that defines two apertures, each aperture being positioned on the helmet so that they will correspond to a user's left and right ears when the safety helmet is placed on the user's head, the safety helmet has a plurality of cord holder attachments attached within an inner circumference of the safety helmet. A pair of capsules, each capsule is secured within each aperture of the safety helmet. A cord that has two terminal ends and each terminal end has a securing device. And, a pair of earplugs that define a stem, the stem of each ear plug has a receiver that receives each securing device. The system provides a safety helmet that has an integral earplug securing system.

Earmuffs with a joint are provided to create a biased pressure distribution about a perimeter of the cup. The earmuffs may include a pivot joint. The pressure distribution creates a wedging pressure (e.g., on a top edge) on the cups that hold the earmuffs on the user's head, for example, when the user rotates the headband behind the head. The bias pressure is also used to adjust the seal formed between the pad and the user's head. Adjustments to the moment created by separating the joints from the cup's apex enable a user to selectively adjust the seal according to the user's preference. A cam is added to the headband to change the hoop stress distributed at the joints and further adjust the compressive forces generated to hold the earmuffs against the user's head.

A helmet can include a helmet body and a shield. The helmet body can include a front portion and a tail portion, and the shield can include two ear portions connected by a brow portion. The shield can be releasably coupled to the helmet body. The ears of a helmet user can be exposed with respect to the helmet body and covered with respect to the shield. The brow portion of the shield can extend across the front portion of the helmet. The tail portion of the helmet can be tapered and the front portion of the helmet can have a rounded leading edge, such that the helmet body has a tear drop form factor.

A communication accessory may include an ear cup configured to at least one of send and receive an audio communication. The ear cup may be detachably coupleable to a first accessory coupling system configured to couple to a helmet and a second accessory coupling system configured to couple to a headband.

Implementations of a helmet with an integrated power source for connected electronic devices are provided. An example helmet comprises: at least one battery pack attached to the helmet; an accessory interface on an exterior side of the helmet; and an electronic device removably attached to the accessory interface. The at least one battery pack includes at least one power source and the accessory interface is configured to conductively connect the electronic device to the at least one battery pack.

A helmet defining an opening for a user's head, the helmet including an outer shell providing a wave guide exit operatively associated with an integrated wave guide layer surrounded by the outer shell, the wave guide layer being adapted to direct sonic waves out the wave guide exit, thereby substantially preventing the sonic waves from penetrating through a remainder of the helmet to the opening. The wave guide layer may be a sonic wave transmission medium composed of acoustic metamaterial, wherein the wave guide layer communicates with the wave guide exit.