Architecture is present that provides a glow-in-the-dark flip flop sandal device that increases the visibility of individuals that are walking or cycling by oncoming drivers, and more particularly to a durable flip flop sandal having a phosphorescent portion that emits visible light under low-light conditions.

The present disclosure is directed to articles such as bladders comprising mechano-luminescent materials which emit light when the mechano-luminescent materials are placed under stress. The present disclosure is also directed to articles including these bladders, methods of forming these bladders, and methods of making articles including these bladders.

A subtractive color change system for displaying a selected color to a viewer and a method of changing color. The system includes a layered assembly having transparent panels of primary and key colors, with a fixed-color background behind the layered assembly. The subtractive color change system may have a control unit to individually control the intensities and values of the primary color panels to render a color and to control the intensities and values of the panels in the layered assembly to reduce differences between the color rendered and the selected color and to display the selected color to a viewer.

The present disclosure is directed to articles such as bladders comprising mechano-luminescent materials which emit light when the mechano-luminescent materials are placed under stress. The present disclosure is also directed to articles including these bladders, methods of forming these bladders, and methods of making articles including these bladders.

An apparatus removably attachable to a shoe with laces and a sole. The apparatus comprises a front side and back side, lower and upper opposite ends and opposite sides. The front side of the apparatus has a front pocket and the back side of the apparatus has a transversal strap extending between both opposite sides of the apparatus and a longitudinal strap extending from the lower opposite end of the apparatus. The longitudinal strap has an extendible loop configured to be removably latched onto a hook device located at the upper opposite end of the apparatus. When removably attaching the apparatus onto the shoe, the longitudinal strap is weaved through the laces of the shoe and the extendible loop is extended over the hook device so as to securely attach the apparatus onto the shoe.

A midsole protection device is provided. The device includes a closed loop elastomeric sidewall band. In a fully relaxed state, the sidewall approximates the outer shape of a sneaker and cooperates with the sneaker to substantially cover and protect its midsole while leaving the upper substantially exposed. The device grips the sneaker between an upper edge and a bottom flange. The upper edge and flange structures cooperate to retain the device in a fixed position on the sneaker. The midsole protection device may also include one or more iridescent colors, a camouflage or other pattern, or a logo such as a logo of a favorite sports team or a logo of a sneaker manufacturer.

A system assesses activity and displays a unitless activity value. A detector senses activity of a user. A processor reads sensed activity data from the detector. A display displays the unitless activity value. An enclosure houses the detector and the processor. The processor periodically reads the sensed activity data from the detector and processes the data to generate an activity number, the number being used to generate the unitless activity value based upon a maximum number and a display range.

A waterproof garment, such as a shoe, is formed from a first seamless circular knitted liner, which is coated with resin and cured to form a waterproof layer. The first liner is fitted within a second seamless circular knitted liner. In the case of a shoe, a sole can be attached and a reliably waterproof shoe is thereby provided which can be efficiently manufactured. In another embodiment, the combined liners are used as a waterproof lining for a shoe upper.

A system assesses activity and displays a unitless activity value. A detector senses activity of a user. A processor reads sensed activity data from the detector. A display displays the unitless activity value. An enclosure houses the detector and the processor. The processor periodically reads the sensed activity data from the detector and processes the data to generate an activity number, the number being used to generate the unitless activity value based upon a maximum number and a display range.

A subtractive color change system for displaying a selected color to a viewer and a method of changing color. The system includes a layered assembly having transparent panels of primary and key colors, with a fixed-color background behind the layered assembly. The subtractive color change system may have a control unit to individually control the intensities and values of the primary color panels to render a color and to control the intensities and values of the panels in the layered assembly to reduce differences between the color rendered and the selected color and to display the selected color to a viewer.