A base and method of using a base on a treadmill in which the base comprises three or more first ball bearing assemblies, each ball bearing assembly comprising a ball and a mounting assembly, the base also comprising one or more lower ball bearing assemblies, each lower ball bearing assembly comprising a lower ball and a lower mounting assembly, wherein each lower ball bearing assembly projects down from a plane defined by three or more of the ball bearing assemblies. A base may be attachable to or integrated into a piece of sports footwear or a board of a board sport. A user standing on footwear or a board with one or more bases may rock in one or more direction on the sports footwear to produce a leaning effect wherein one or more lower ball bearing assemblies and two or more ball bearing assemblies contact the ground.

An apparatus for automatically adjusting tension on retention member to hold multiple objects together. Examples include using retention apparatus to obtain optimal fit and use of a human wearable item such as article of footwear. Sensors may be used to sense changes in movement of the article of footwear, of the person wearing it, or of a third object such as a vehicle carrying the person. A retention member may surround at least a portion of the objects, and an actuator may be included that automatically rotates a rotating member such as a gear or pulley that may be coupled to the retention member. The rotating member may be configured to automatically adjust tension on the retention member many times per second based on control signals from control logic responsive to the sensors.

Systems, methods, and computer-readable storage media for improving physical activity performance analysis, and more specifically to a system and method for using motion, pressure and position sensors embedded in equipment or footwear of a user to assess physical activity performance. The sensors can collect pressure related data, transmit the data to a server for processing, and the user can receive feedback based on their performance.

An apparatus for automatically adjusting tension on retention member to hold multiple objects together. Examples include using retention apparatus to obtain optimal fit and use of a human wearable item such as article of footwear. Sensors may be used to sense changes in movement of the article of footwear, of the person wearing it, or of a third object such as a vehicle carrying the person. A retention member may surround at least a portion of the objects, and an actuator may be included that automatically rotates a rotating member such as a gear or pulley that may be coupled to the retention member. The rotating member may be configured to automatically adjust tension on the retention member many times per second based on control signals from control logic responsive to the sensors.

Systems, methods, and computer-readable storage media for improving physical activity performance analysis, and more specifically to a system and method for using motion, pressure and position sensors embedded in equipment or footwear of a user to assess physical activity performance. The sensors can collect pressure related data, transmit the data to a server for processing, and the user can receive feedback based on their performance.

A footwear closure system includes an article of footwear, such as a boot, having an upper portion, a lower portion, and a mid-portion that is positioned between the upper portion and the lower portion. The footwear closure system also includes a plurality of reel based closure devices that are coupled with the footwear. The plurality of reel based closure devices are configured to effect closure or tightening of the upper portion, the lower portion, and the mid-portion of the footwear. Each reel based closure device is independently operable and each reel based closure device effects closure or tightening of one of the upper portion, the lower portion, the mid-portion, or a combination thereof.

Articles comprising one or more additively-manufactured components are provided, as are method of additively manufacturing such components. The additively-manufactured components are designed to enhance performance and use of the article, such as, but not limited to: impact protection, including for managing different types of impacts; fit and comfort; adjustability; and/or other aspects of the article. The provided methods of additive manufacturing include methods involving expandable materials and the expansion of post-additively manufactured expandable components.

An apparatus for automatically adjusting tension on retention member to hold multiple objects together. Examples include using retention apparatus to obtain optimal fit and use of a human wearable item such as article of footwear. Sensors may be used to sense changes in movement of the article of footwear, of the person wearing it, or of a third object such as a vehicle carrying the person. A retention member may surround at least a portion of the objects, and an actuator may be included that automatically rotates a rotating member such as a gear or pulley that may be coupled to the retention member. The rotating member may be configured to automatically adjust tension on the retention member many times per second based on control signals from control logic responsive to the sensors.

The fastening device (3) for fastening a boot (4) to a sliding board (2) includes a base (10) intended to be fastened to a sliding board and to surround, at least partially, a sole and lateral sides of a boot, at least one lever (201, 301) that can move relative to the base and can interact with a retention element (44A, 44B) connected to a boot, the lever (201, 301) being able to move between a first retention position (P1) and a second clamping position (P2), the lever being able to retain the boot in the base when it is in its first position, the lever being able to transmit a downward force on the retention element when it is in its second position.

Sport footwear for practicing winter sports comprising a shell (11) made of a first thermoplastic material and comprising a toe coupling projection (12) at the front and a heel coupling projection (13) at the back, configured to couple releasably to the bindings of a ski or snowboard. The sport footwear comprises at least a coupling projection protection cover (15, 16) releasably attached on at least one of, or both, said toe coupling projection (12) and heel coupling projection (13), and said at least one coupling projection protection cover (15,16) is made of a second thermoplastic material.