Water headwear can include a plurality of openings that permit water to pass through the water headwear. Further, the water headwear can include at least one rib between the openings, the at least one rib being configured to reduce drag and cause the water headwear to more easily penetrate the surface of a body of water.

A helmet having an outer liner with an inward-facing surface, an inner liner with an outward-facing surface that interfaces with the inward-facing surface of the outer liner, and a flexible tether coupling the outer liner to the inner. The inner liner is slidably coupled to the outer liner via a plurality of return springs, the plurality of return springs biasing the inner liner to a first position with respect to the outer liner.

A protective helmet including a shell on which are moveably mounted a shield and a chin guard, the chin guard being moveable between a closed position and an open position and having two lateral branches each provided with a guide in which is meshed a guiding finger fixed on the shell, and the shield being moveable between a lowered position and a lifted position and having two lateral arms articulated on the shell, the helmet having an automatic lifting mechanism of the shield configured to lift the shield from the lowered position during the closing movement of the chin guard and including at least a cam-follower system including: a rotary cam secured to a guiding finger pivotally mounted on the shell and connected in rotation to the corresponding lateral branch of the chin guard by cooperation of form with the guide, and a follower element secured to a lateral arm of the shield, wherein the cam and the follower element are at least in partial contact along a given cam surface.

A sports helmet comprises a single-piece plastic shell, an occipital shock absorber attached to the inner surface of the shell in the rear region to at least partially overlie an occipital area of the head, an inflatable occipital pad removably attached to the inner surface of the shell in the rear region and positioned between the inner surface of the shell and the lateral padding assembly to push the occipital shock absorber forward when the occipital pad is inflated. The occipital pad comprises a top sheet and a bottom sheet bonded together, a plurality of inflatable pockets formed in the top sheet and fluidly connected through channels formed in the top sheet, a valve assembly for inflating the plurality of inflatable pockets, the valve assembly bonded to the bottom sheet. The valve assembly extends through a hole in the shell for inflation.

A collapsible helmet including a shell having two or more components which are hingedly connected together about fold lines extending across the shell. Each component includes a plurality of panels with each panel being hingedly connected to at least one adjacent panel. The shell may be adjustable between a first configuration in which the helmet may be placed over the head of the user and a second configuration in which the components are flattened and are arranged in a substantially overlying relationship.

A catcher's mask comprises a two-piece plastic shell composed of a rigid front shell and a rigid rear shell. The front and rear shells are connected by a strap harness attached to the front shell and have padding assemblies. The front shell has ventilation holes including ear holes positioned over the wearer's ears and a full jaw protector integrally formed as part of front shell. A wire faceguard is removably attached to the front shell extending over the ear holes. A top upper member of the faceguard comprises a center bar part, a left side bar part bent upwardly with respect to the center bar part to form a left eyebrow area, and a right side bar part bent upwardly with respect to the center bar part to form a right eyebrow area. The rear shell has a concave padding assembly comprised of a concave TPU shock absorbing layer, and a nested concave comfort layer.

A catcher's mask comprises a two-piece plastic shell composed of a rigid front shell and a rigid rear shell. The front and rear shells are connected by a strap harness attached to the front shell and have padding assemblies. The front shell has ventilation holes including ear holes positioned over the wearer's ears and a full jaw protector integrally formed as part of front shell. A wire faceguard is removably attached to the front shell extending over the ear holes. A top upper member of the faceguard comprises a center bar part, a left side bar part bent upwardly with respect to the center bar part to form a left eyebrow area, and a right side bar part bent upwardly with respect to the center bar part to form a right eyebrow area. The rear shell has a concave padding assembly comprised of a concave TPU shock absorbing layer, and a nested concave comfort layer.

A protective helmet that includes a hard outer shell including an inner surface, a hard inner shell slidingly connected to the hard outer shell where the hard inner shell is spaced apart from the hard outer shell and a leaf spring comprising a center portion anchored onto the hard inner shell, a first end arranged to slidingly contact the hard outer shell, and a second end arranged to slidingly contact the hard outer shell.

A sport helmet for protecting a head of a wearer, such as a hockey, lacrosse or football player. The sport helmet has an outer shell with an internal side and an external side and an inner pad mounted to the internal side of the outer shell for absorbing shocks when the sport helmet is impacted. The inner pad has a core of polymeric cellular material with a body of expanded polymeric microspheres and a molded covering being molded onto the core of polymeric cellular material.

Certain exemplary embodiments can provide a bicycle which can comprise: a front wheel, a rear wheel, a frame, a first seat brace, a second seat brace, and a seat. The frame can comprise a first section, a second section, and a third section. The system can further comprise a lockable hinge, the first lockable hinge coupled to the frame and the wheel, when opened via a single lever or pin, the lockable hinge can be constructed to allow the front wheel to be decoupled from the frame or rotated relative to the frame.