Technologies are disclosed herein for controlling a head-mountable heads-up display system comprising a heads-up display unit and a hand cover. The hand cover includes a plurality of input elements located on appendages thereof that are configured to cause the hand cover to transmit input signals to the heads-up display unit. The heads-up display unit is configured to display virtual image content within a field of view of a user. As a result of receiving a user input, the heads-up display unit may display virtual image content based on a user input. The heads-up display unit updates the virtual image content as a result of receiving an input signal corresponding to an interaction between a pair of input elements of the hand cover. The heads-up display system may be useable in connection with a system of an outdoor recreational area to obtain information regarding the outdoor recreational area.

Method for coupling a sensor to a piece of equipment, such as a golf club, baseball bat, or tennis racket, that ensures that the sensor is in a known position and orientation relative to the equipment. Compensates and calibrates for degrees of freedom introduced in manufacturing and installation. The method may include manufacturing a sensor receiver that aligns with equipment in a fixed orientation, and that holds a sensor housing in a fixed orientation relative to the receiver. Remaining uncertainties in sensor position and orientation may be addressed using post-installation calibration. Calibration may include performing specific calibration movements with the equipment and analyzing the sensor data collected during these calibration movements.

Tip attachment for a pole, in particular for a trekking pole, cross-country-skiing pole, Nordic-walking pole or downhill-skiing pole, having a plastic sleeve, which can be fastened at the lower, free end of a pole tube and, at an upper end, has an upwardly open hole for accommodating the lower, free end of the pole tube, and a tip insert is fastened in an opening at the lower end of the pole tube. The tip insert has a carrier element, which is releasably fastened in the opening by a drive-in thread provided on a retaining region in a substantially cylindrical region.

A system for measuring power generated by a skier is disclosed. The power generated by the skier may be calculated based upon each complete revolution of a ski pole or ski movement. To do so, the system may include various sensors that measure a force exerted on a ski pole or ski, the angle of the ski pole or ski, and the velocity of the skier at various time instants within each ski pole or ski revolution. A processing unit may calculate power generated by the skier in the skier's direction of travel using the force exerted in the skier's direction of travel during a complete revolution of ski pole (or ski) movement and the velocity of the skier.

One embodiment of an inclinometer is disclosed comprising lines on a sticker applied to a ski pole shaft. Each line represents a unique slope angle, and may be identified by a number to indicate the slope angle, such that the lines can be used to visually identify slope angle when the ski pole shaft is held vertically. Slope angle measurements can be taken by sighting a side profile of the slope, or by sighting up or down the slope, or by direct contact measurement with the slope. Other embodiments are described and shown, including one with lines printed directly onto a ski pole shaft, and one that's applied to the cylindrical surface of a water bottle rather than to that of a ski pole shaft.

A mountable holder for carrying a beverage on a supporting structure, such as a ski pole, snowboard, ski shoes, and the like. The mountable holder can safely hold a beverage container and can be coupled to multiple objects. The mountable holder includes an insulative sleeve having multiple pairs of slits in the wall of the sleeve. Dual hook and loop cinch straps pass through the pairs of slits and tighten around the sleeve and the supporting structure for securing the beverage container into the sleeve and the mounting holder to the supporting structure.

A ski boot scraper device adapted for use with trekking poles. The ski boot scraper device provides a user the ability to scrape the underside of their shoes or boots clean to remove mud, snow, or other unwanted material adhered to the underside of the boot through the use of a scraper blade which is reconfigurable from a stowed configuration to a deployed configuration. In a stowed configuration, the scraper blade generally longitudinally aligned with a first pole, and in a deployed configuration the scraper blade is misaligned with (e.g., orthogonal to) the first pole, and configured to interconnect to a second pole to provide added support and stability for the process of scraping one's footwear upon the scraper blade.

A variety of ski and hiking poles are described. In one aspect, magnets are provided on the pole handles and baskets to facilitate magnetic coupling a pair of poles together in a state suitable for carrying. In some embodiments, a pair of magnets are provided on each side of the handle. In some embodiments, a basket alignment piece is attached to the pole shaft. The alignment piece helps facilitate attachment of the basket to the pole shaft in an orientation that aligns the basket magnets relative to the handle magnets. In another aspect novel wrist straps are described.

A system and method for providing warmth to a person, particularly a skier, in cold or inclement outdoor elements. Skiing is an outdoor winter sport where participants need to have proper clothing and equipment to stay warm in order to participate at optimal strength. Traveling on open-air lifts may cause skiers to become cold. The present disclosure provides a warming wrap that may be placed on a ski pole or other handheld device. A heating device integrated in the warming wrap transmits warmth through an outer layer whereas an insulating layer limits heat from escaping into the pole. The warming wrap contains a heating device that transmits heat from the heating layer to a person who touches the outer layer of the warming wrap. A grip layer alone or together with a fastener arrangement prevents the wrap from sliding down the pole. The preferred placement of the wrap on the pole rather than on a grip or in a glove or mitten provides the skier with better control and balance of the ski pole.

A ski pole strap for transfer of power from a skier's hand to a ski pole when a pole stroke is performed in cross-country skiing, the ski pole strap comprising an attachment portion configured to attach the ski pole strap to the ski pole; and a hand support portion for supporting the hand of the skier, the hand support portion comprising at least 0.03 g/cm.sup.2 of a thermoplastic material arranged at least in a region of the hand support portion configured to surround an ulnar border of the skier's hand, when the ski pole strap is in use, the thermoplastic material being plastically shapeable at a temperature below 100 C. and having a flexural modulus of at least 50 MPa at 20 C.