Patent CN209473731U
Updated October 23, 2026Padded Toe-Box Shield for Sneakers
A shaped insert for the front of a basketball shoe. A semi-rigid, ventilated plastic cap follows the toe box, a silicone lining softens every edge, and stepped foam pads sit over the toes. The patent describes it as cushioning the toes when they are stepped on, holding the forefoot more snugly, and keeping the shoe's shape - also in storage.
- China utility model - lapsed
- No filings outside China
- Footwear accessory
- Plastic + silicone + foam

Splat! What let you down?
🏀
Cushions stepped-on toes
A semi-rigid cap spreads pressure from above, the front and the sides away from the toes.
🧩
Silicone-lined edges
Silicone lines the inside and wraps the rear edge so the cap does not rub the foot.
🫧
Ventilated
At least four groups of small air holes across the front let heat escape.
👟
Keeps the shoe in shape
Supports the toe box while worn and holds its shape in storage.
Bring this product to market
- ✓ Patent vetted China-only family and legal status checked
- 2 Product brief · now How it works, uses and options written up
- 3 Prototype First samples for buyers to review
- 4 Pilot run Small first batch for launch customers
- 5 Volume production Repeat orders at scale
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The problem
In basketball and other court sports, players step on each other’s feet all the time. The soft upper of a sneaker gives the toes little protection, and the toe box gets dented and creased. Players and sneaker collectors both want the front of the shoe to keep its shape.
The solution
A cap-shaped insert that sits inside the front of the shoe:
- A protective cover (1) - a three-dimensional, half-enclosing cap of semi-rigid plastic - follows the inside of the toe box.
- The whole inside is lined with a silicone layer (2), glued in place and wrapped around the rear edge, so the edge does not rub the foot.
- Crescent-shaped foam pads (4) at the front - two thin layers and one thick layer - cushion the toes.
- Groups of small air holes (3) on the front let the shoe breathe.
- An opening (5) along the front lower side helps the cap fit the shoe.

Who it is for
- Sneaker-care and sports-accessory brands looking for a product between “crease protector” and “toe guard”.
- Basketball and court-sport retailers selling add-ons at checkout or online.
- Amazon sellers in the shoe-accessory category.
How it works
The main parts
| No. | Part | What it does |
|---|---|---|
| 1 | Protective cover | Semi-rigid, half-enclosing plastic cap shaped to the inside of the toe box. |
| 2 | Silicone lining | Glued to the whole inside of the cap and wrapped around its rear edge. |
| 3 | Air holes | At least four groups of at least five holes each, 2 mm or larger, on the front. |
| 4 | Foam pads | Crescent-shaped: two thin pads on the silicone and one thick pad (twice as thick) on top of one of them. |
| 5 | Opening | Cut-out on the front lower side of the cap. |

How the layers work together
- The plastic cap is hard enough to spread a sudden load from above, the front or the sides, but the patent calls for a semi-hard, slightly flexible plastic so it stays light and does not affect balance.
- The silicone lining gives a soft, non-slip surface against the foot and covers the cap’s edge.
- The stepped foam pads fill the space over the toes, so the forefoot is held more snugly.
- The air holes let heat and moisture out of the front of the shoe.

Using it
- Choose the size that matches the shoe size.
- Slide the shield into the front of the shoe, foam side facing the toes.
- Put the shoe on as usual and lace it.
- After play, leave it in the shoe to help keep the toe box in shape - or swap it into another pair.
Applications
Basketball
The use case in the patent: cushioning the toes and toe box when players step on each other’s feet.
Volleyball, futsal and other court sports
Sports with quick stops and crowded play where toes get stepped on.
Sneaker care and collecting
Keeping the toe box from creasing and denting, while worn and on the shelf.
Shoe storage and travel
The cap keeps the front of the shoe in shape when shoes are packed or stacked.
Retail add-on
A low-cost accessory sold next to court shoes or bundled with sneaker-care kits.
Where it is less suitable
- Work and safety footwear - this is not a safety toe cap and is not tested to safety-footwear standards; certified steel or composite toe shoes are needed for workplace protection.
- Tight-fitting shoes - the shield takes some room; it works best in shoes with a normal toe box.
Frequently asked questions
Is it a safety toe cap?
No. It is a semi-rigid comfort and shape-keeping insert. It is not tested or certified as safety footwear and should not be sold as such.
Will it make my shoes tighter?
It takes up a little room at the toe box. Thickness and size are tuned so it fits common sneakers; a size chart matches it to shoe sizes.
Is it comfortable during play?
The silicone lining and foam pads touch the foot, not the plastic, and the vent holes release heat. Comfort is checked in wear tests with prototypes.
Does it stop creasing?
The cap supports the toe box from inside, which helps it hold its shape while worn and in storage.
Can it be washed?
Plastic and silicone parts can be rinsed and air-dried; foam choice determines how washable the pads are.
Can we have our own colors and logo?
Yes - colored or clear caps and a molded logo are possible.
Can this design be made and sold in the US?
The patent was filed only in China and lapsed in 2021, so it does not restrict anyone. Other toe-shield designs may be patented - see Patent & Production - so we recommend a freedom-to-operate check before volume production.
Are you affiliated with the patent owner?
No. IP2M is an independent design and manufacturing service working from the public patent document.
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Helpful details to include:
- Your company and sales channel (sports retail, Amazon, sneaker care…)
- Size range and target shoe types
- Materials - cap hardness, lining, foam
- Colors, branding and packaging
- Estimated quantity and target price
- Timeline - when you would like samples and the first shipment
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This page is based on the public patent document CN209473731U, assigned to an individual inventor. IP2M is an independent manufacturing service and is not affiliated with, endorsed by or licensed by the patent owner. Images marked as concept renderings are illustrations, not photos of an existing product. Patent status information is provided for reference only and is not legal advice; confirm freedom to operate for your market before production. Full disclaimer.