The Shift Shoes

Engineering Proposal Project

Oral-B 1000-5000

Angel Camilo, Betsy Luis, Antonio Johnson, Asfie Chowdhury

Department of English, City College of New York

ENGL 21007: Writing for Engineers 

Dr. Sara Jacobson

April 20, 2025

Table of Contents

Introduction ………………………………………………………………………………………………………………….. 3

Section 1 ……………………………………………………………………………………………………………….  4 & 5

Section 2 ……………………………………………………………………………………………………………….  6 & 7

Conclusion …………………………………………………………………………………………………………………..  8

Reference Page …………………………………………………………………………………………………………….  9

The Shift Shoe is the most convenient shoe innovation in the market. Whether consumers want a sporty shoe for a workout, a more casual shoe for everyday wear, or winter boots for going out in the snow, Shift Shoes are the best option with replaceable soles and a built-in temperature control system. Allowing consumers to mix and match, the different soles are designed for either extra grip and traction in the winter, comfort and lighter design for everyday use, and angled soles. These sneakers include a long-lasting, high-quality battery to ensure that the temperature system works safely for several hours without interruption. Whether consumers want to cool down or heat up their shoes, they’re able to do that with Shift Shoes. With just a press of a button above the laces, users can control the temperature. If it’s winter and your feet are cold from walking in the snow all day, with just one press you can heat up your shoes, back to comfort! Making Shift Shoes both convenient and safe. Designed to meet consumers’ needs depending on the occasion.

There are 3 different styles that you can get your Shift shoes in: the Winter style, the Casual style, and the Sporty style.                                                   

Figure 1: Winter Style Shift Shoes

The winter shoe is a boot that consists of a high length and covers up25% of your leg. You can tighten the shoe around the part of your leg with the laces to seal your feet from the outside weather. The Shift shoes can also be used in rainy weather as well,                                                                 Note: Designed in Fusion360 by A. Camilo

due to its weatherproof design. The waterproof fabric used in the Shift shoes is a high quality and well insulated fabric that is highly durable for heavy winter use. There is an LED indicator around the ankle that is built in the shoe top that you can see light up when you turn on the shoes in heating mode. In Heating mode, the LEDs shine a red lightcolor to a deep red, depending on the intensity of the heating, from 75 to 100 degrees Fahrenheit. In cooling mode, the LED’s shine from light blue to a deep blue, depending on the temperature, from 70 to 45 degrees Fahrenheit.

The casual style is below the ankle length and has a nice fabric texture which feels comfortable to wear for everyday use. Once again, the lip of the shoe contains the buttons to control the heating/cooling of the shoe,                                                      

indicated by the LED lights. The way the shoes would heat or cool is through a copper pad on the bottom   of the shoe. Imagine the sole of your shoe getting hot or cold, that’s what would be felt. Adding on, the shoe is for its comfort in everyday use,                       Note: Designed in Fusion360 by A. Camilo            how the inner padding is comfortable for walking, and the adaptive temperature setting allows your feet to be maintained at a comfortable temperature (it gets hot or cold depending on the temperature of your feet).

Figure 2: Casual/Running Style Shift Shoes

The running style is designed for maximum comfort when running. This shoe will also be below the ankle but the height will be slightly taller than the Casual style due to the thicker running sole. The fabric of this style will be soft and breathable, easing tension on your feet and keeping your feet comfortable during long running sessions. The shoe is designed for long term use so that your feet don’t feel uncomfortable and it will make you feel at ease. 

At the core of the Shift shoe lies its innovative internal design, centered around a removable “puck” that houses the main technology enabling the shoe’s advanced thermal and tracking features. This rectangular puck fits securely between the shoe top and sole of the shoe, both of which are connected using small but strong magnets                                                 Note: Made in Fusion360 by A. Camilo    embedded on the top part of the shoe. The puck contains the 7500mAh silicon-carbon battery, the motherboard, copper heating/cooling pad, and the wireless charging coils. The sealed design of the puck offers waterproof capabilities, while the hybrid titanium and aluminum housing of the Shift shoes offers extra rigidity and durability

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Figure 3: Shift Shoe Tech Puck

The heating and cooling system is powered through a copper thermal pad embedded just beneath the sealed insole of the top shoe layer. This pad heats using electric resistance, similar to how heated seats work in cars. For cooling, the puck uses a thermoelectric cooling system based on the Peltier effect. When electrical current flows through a Peltier module, it moves heat from one side to the other cooling the surface facing the foot while dispersing heat through the wireless charging coils and into the sole of the shoe, where the heat can dissipate. This compact yet efficient system ensures that the foot remains at a comfortable temperature without bulky fans or moving parts.

Users interact with the temperature control through three buttons located on the lip of the shoe top: Hot, Adaptive, and Cold. When the Hot or Cold settings are selected, the copper pad adjusts accordingly but includes a built-in sensor system to prevent overheating or overcooling by monitoring foot temperature. The Adaptive mode leverages real-time temperature data from sensors to automatically switch between heating and cooling as needed, maintaining optimal comfort throughout wear.

As mentioned previously, the puck is also equipped with wireless charging coils located on its bottom side, allowing the shoes to recharge simply by being placed on the Shift shoe charging pad. This eliminates the need for ports or cables, preserving the shoe’s waterproof design. In addition to climate control, the puck contains step-tracking sensors to monitor activity levels, which can sync with mobile devices via the Shift app for fitness tracking.

All of these elements—the thermoelectric system, control buttons, sensors, battery, and wireless charging capability—are designed to work seamlessly inside the Shift shoe without compromising comfort or mobility. By keeping the core technology in the central puck, users can easily swap between different tops and soles while maintaining access to all features, making the Shift shoe a practical and adaptable solution for dynamic environments.

In conclusion, the shift shoe would be a useful everyday shoe because it has multiple features that can help satisfy an individual’s comfort. The shoe would be convenient for consumers because they would be able to adjust the shoe instead of having to search for a different type of shoe depending on their circumstances. If the user feels cold, the battery powered shoe has components to help regulate the temperature. The thermoelectric cooling system shifts heat to another side to allow certain areas to cool. Furthermore, the user can change the temperature of the shoe from cool to warm by changing settings to Hot. This action will cause the copper thermal pad to use electricity which will increase the thermal energy inside of the shoe. By simply pressing the buttons on the shoe, the user can become more comfortable as the shoe will be capable of both increasing and decreasing temperatures. In addition, the shift shoe can also be convenient by adjusting to be worn during the winter, summer/spring and finally for sports/running. The winter variation would be useful as it has a thick material and smooth texture for comfort. The shoe also has a high-top structure which will cover the ankle so that the user’s feet can be completely warm. As for the summer and spring variation of the shoe, they will be shorter under the ankle and there will be an option to allow cool breeze to flow through the shoe. As for the running shoe, they are built with a soft and breathable fabric and the height of the shoe is below the ankle, allowing users to run comfortably without hurting their feet. The shoe must be charged before use in order to utilize the heating and cooling system for long periods of time. The shift shoe can be worn in any setting and can provide much comfort for the user.

Reference Page

Autodesk. (n.d.). Fusion 360 [Computer software]. https://www.autodesk.com/products/fusion-360/

GASLIKE. (2024). Wireless heated shoes for men & women – 4000mAh rechargeable battery, 3 adjustable heat levels, anti-slip winter sneakers for warmth & comfort in cold weather. Amazon. https://www.amazon.com/GASLIKE-Wireless-Heated-Shoes-Women/dp/B0DMNY6MPJ