Sometimes, you'll find a perfect shoe with a less than perfect fit. With synthetic materials like plastic, the stretching process may be more difficult than that of leather or fabric. Luckily, with the use of some common household items like kitchen storage bags and a hairdryer, your shoes can find that desired fit.

Method 1
Method 1 of 3:

Blow-Drying Your Shoes

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  1. Wearing thick socks before putting on the shoe will give more room for it to stretch. Wear one or two pairs to fit into the shoe snugly. If the shoes have zippers, zip them up as far as they can go.
    • Wear thick wool socks for the maximum amount of stretching. [1]
  2.  While on the hottest setting, hold the blow dryer a few inches away from the shoe and heat the areas that feel tight. Wiggle your foot and toes to allow the plastic to expand. [2]
    • For shoes with zippers, as you heat the shoe, work the zipper up to promote stretching and a perfect fit. [3]
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  3.  While the shoe is still hot from the blow dryer, walk around the house to allow the shoe to stretch more. Leave on the thick socks to allow for the shoe to expand.
  4.  Use this time to ensure that the shoes now fit. If they still don't feel right, put the socks back on and continue to blow dry and stretch. Work the shoe with heat and your foot until it fits exactly how you want.
    • Run your thumb between your skin and the shoe to stretch the fit for shoes that come past the ankle or calf. [4]
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Method 2
Method 2 of 3:

Freezing Water in Your Shoes

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  1.  Use a durable bag that will not come undone through the process. Fill it with enough water to fit inside of your shoe. Remove the excess air from the bag and seal tight. [5]
    • Be sure not to overfill or else the bag could break and cause water damage to the shoe.
  2.  Push the bag into the toe area of your shoe. The bag should fit snugly into the shoe and fill the volume that you wish to be stretched. Ensure the seal is tight and no water is leaking.
  3.  Allow for the water inside of your shoe to freeze. As it freezes, the ice will expand and stretch your shoes. 
    • To protect the outer sides of your shoes (and the rest of your freezer items), you can put your shoes in another plastic bag before putting them in the freezer. [6]
  4. The following morning, allow your shoes and the bags to thaw for 20-30 minutes before removing the bags. [7] Try on your shoes to see if they have stretched enough. If not, you can repeat the freezing process again until the desired fit.
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Method 3
Method 3 of 3:

Using a Shoe Stretcher

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  1. [8]  Shoe stretchers come in a variety of styles depending on the type of shoe you're trying to stretch. Different stretchers will be available for flats, boots, high heels, and other styles. Determine if you need to adjust the length, width, or both. One shoe stretcher will work on both the left and the right shoe.
    • A 'two-way' stretcher will adjust both length and width.
    • Other common shoe stretchers are toe stretchers, vamp stretchers, and high heel stretchers.
    • Many stretchers have holes to add attachments for trouble areas, such as bunions. [9]
  2. Turn the knobs clockwise until the shoe stretcher fits tight in the shoe. After that, twist the knob three or four more times to stretch the shoe. Leave the stretcher in the shoe overnight. [10]
    • Remember to start small as to not overstretch the shoes too quickly.
  3. Loosen the stretcher by turning the dial counter-clockwise and remove. If the shoe is still too tight, continue to use the stretcher in your shoe. Use an extra few turns when stretching again.
    • Be careful not to overstretch the shoe as a loose shoe will not be comfortable either.
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Expert Q&A

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  • Question
    How do you expand plastic shoes?
    Moe Draper
    Shoe Care & Repair Specialist
    Moe Draper is a Shoe Care and Repair Specialist and the Owner of Detroit Shoe Shine and Shoe Repair. With over 20 years of personal experience, Moe specializes in shoe shining, cosmetic restorations for quality leather goods, and minor/major shoe repair services. Moe and his staff at Detroit Shoe Shine and Repair have over 30 years of combined experience and knowledge.
    Shoe Care & Repair Specialist
    Expert Answer
    Unfortunately, plastic shoes can not be stretched very much because they are plastic. If you stretch them too much, you risk ruining (tears/holes) your shoe. If you are willing to take the risk, you may do the following: To stretch out shoes that are too tight, you can purchase your own wooden shoe stretcher and hand crank them to the appropriate tension to stretch them. If this is too difficult, you can always google your local shoe repair or shoe cobbler and take them in to have them professionally stretched.
  • Question
    How can I stretch the calf of my leather boots?
    Moe Draper
    Shoe Care & Repair Specialist
    Moe Draper is a Shoe Care and Repair Specialist and the Owner of Detroit Shoe Shine and Shoe Repair. With over 20 years of personal experience, Moe specializes in shoe shining, cosmetic restorations for quality leather goods, and minor/major shoe repair services. Moe and his staff at Detroit Shoe Shine and Repair have over 30 years of combined experience and knowledge.
    Shoe Care & Repair Specialist
    Expert Answer
    The best way to stretch out calves of leather boots is to take the boots to your local shoe repair or cobbler and have them use a calf stretcher to stretch out the boots. You should measure your calves to report it to the cobbler so that when they measure the circumference of your boot, they know how much they need to stretch the boot. This process sometimes takes longer than a regular shoe stretch, as different people have different size calves which may affect the stretch time.
  • Question
    How can I stretch leather shoes without damaging them?
    Moe Draper
    Shoe Care & Repair Specialist
    Moe Draper is a Shoe Care and Repair Specialist and the Owner of Detroit Shoe Shine and Shoe Repair. With over 20 years of personal experience, Moe specializes in shoe shining, cosmetic restorations for quality leather goods, and minor/major shoe repair services. Moe and his staff at Detroit Shoe Shine and Repair have over 30 years of combined experience and knowledge.
    Shoe Care & Repair Specialist
    Expert Answer
    Leather shoes have the elasticity to be stretched out, however, you should be careful in stretching them too much, as you may not want to invest in a repair on synthetic shoes. To stretch out leather shoes use a wooden shoe stretcher and a hand crank. In order to get a good stretch, you should stretch them for at least 3 days, and you should wear them for the remainder of the day to ensure that the stretch lasts. To further maintain the stretch, you should purchase cedar shoe trees to hold the stretch when you are not wearing the shoes.
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      1. Moe Draper. Shoe Care & Repair Specialist. Expert Interview. 5 April 2021.

      About This Article

      Article Summary X

      To stretch plastic shoes, put on thick wool socks and then put on the shoes. Set your blow dryer to the hottest setting, hold it a few inches away from the tight-fitting areas of your shoes, and blast those areas with hot air in 20-30 second intervals. Be sure to wiggle your feet and toes to help the plastic to expand! Then, while the shoes are still hot from the blow dryer, walk around in them to help the shoes to stretch out more! For tips on using a shoe stretcher tool, read on!

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      Reader Success Stories

      • Mary Armital

        Aug 22, 2018

        "Great idea re: the shoe stretchers, I didn't realize how cheap they are or that they were easily available to ..." more
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