China Shoe Insole Manufacturers Factory - Customized Shoe Insole Wholesale

Shoe Insole Manufacturer for OEM & Custom Footwear

We manufacture shoe insoles for footwear brands, manufacturers, wholesalers and private label programs. With more than 20 years of experience in footwear material development and manufacturing, ASTERISM supports projects from material and construction selection through sample development and bulk production.

Our insole range includes PU, EVA and memory foam constructions, with options for suede, microfiber suede, mesh, textile and other top-cover materials. Size, thickness, profile, color, logo and packaging can be developed according to the footwear design and production requirements.

Whether you are developing a new footwear line or looking for an alternative insole supplier for an existing program, we can work from your specifications, drawings or existing samples.

Cushioned Insole Suede Shoes
The Cushioned Suede Insole Fabrics for Shoes are non-woven composite shoe components topped with high-grade synthetic suede fabric that provide high flex-fatigue resistance, friction control, and...

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Memory Foam Insoles Running
Memory Foam Insoles Running are PU memory foam inserts designed for sports footwear, providing cushioning, impact absorption, and customized specifications for OEM applications.

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Footcare Advanced Memory Insole
The Footcare Advanced Memory Insole is an anatomical polyurethane insert designed to distribute plantar pressure evenly and stabilize the heel during walking, running, or standing.

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Eva Sport Shoe Insole
Eva Sport Shoe Insole is an EVA foam footwear component designed for cushioning, impact absorption, and structural support in sports, casual, and work footwear. It supports OEM production with...

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Eva Foam Insoles
EVA Foam Insoles are lightweight cushioning components designed for sports shoes, casual footwear, work boots, and outdoor shoes. Made from ethylene-vinyl acetate (EVA) foam,suitable for daily and...

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Pu Gel Foam Insole
Pu Gel Foam Insole is a high-performance footwear insert engineered by combining flexible polyurethane foam with targeted viscous gel inserts.

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Premium Pu Insoles in Shoes
A Polyurethane and Ethylene-Vinyl Acetate (PU+EVA) hybrid shoe insole is an internal footwear insert engineered to line the bottom of athletic and casual shoes, providing structural impact...

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Quick Specifications

Project	Parameters
MOQ	2,000 Pairs (Mixed size distribution within standard EU 35–46 supported)
Term of Payment	By T/T, 30% deposit and 70% balance payment before delivery
Place of Origin	Quanzhou, Fujian, China
Brand Name	ASTERISM
Sample Timeline	5–7 working days for custom samples
Bulk Lead Time	25–30 days after sample approval and deposit

Shoe Insole Options for Different Footwear Requirements

Insole Type	Key Characteristics	Typical Applications
Memory Foam Insoles	Soft foam construction, cushioning feel	Casual, walking, comfort footwear
EVA Insoles	Lightweight, flexible, easy to shape	Casual, sports, slippers
PU Insoles	Resilient foam structure, comfort-oriented	Casual, work, everyday footwear
Sport Insoles	Support-oriented construction, moisture-management options	Running, training, active footwear
Comfort Insoles	Cushioning-focused construction	Walking, casual, comfort shoes
Work Shoe Insoles	Durable materials and practical construction	Work and occupational footwear
Custom Insoles	Developed around specified dimensions and footwear construction	OEM and private label projects

Start With the Footwear, Not Just the Insole

When reviewing an insole requirement, several details can affect the construction:

Footwear type
Running shoes, casual shoes, walking shoes, work footwear and lifestyle footwear may require different insole constructions.

Available internal space
The insole thickness and profile need to work within the shoe without creating unnecessary pressure or affecting the intended fit.

Foam construction
PU, memory foam and EVA offer different material characteristics and can be selected according to the project requirements.

Top cover
Mesh, textile, microfiber suede and other fabrics can be considered based on the desired surface, appearance and footwear application.

Shape and profile
Heel thickness, forefoot thickness, edge shape and overall profile can be developed around the customer's footwear construction.

Insole Construction and Customization

Category	Specifications & Options
Material	PU, EVA, and Memory Foam Custom material combinations available
Thickness & Profile	Tailored to shoe space and construction Variable heel/forefoot thickness supported
Top Cover	Mesh, Textile, Microfiber Suede, Suede-style Custom fabrics coordinated with upper and positioning
Shape & Size	Standard size range: 35–46 Custom dimensions/sizing available for OEM
Logo & Color	Fully customizable for private labels Branding methods matched to material
Packaging	Individual or bulk packaging options Tailored to sales and shipping needs

Behind the Production Line: From Sample to Bulk Production

DFM & Specification Review
Our in-house engineering team conducts a DFM (Design for Manufacturing) review before cutting a single gram of material, analyzing foam density, hardness (Asker C), and compression set requirements.

In-House Prototype & Sample Development
We develop working samples in our sample room, verifying physical dimensions, edge profiles, top-cover lamination, and exact hardness curves to match your footwear interior.

Bulk Material Preparation & Foaming
Raw materials (PU, EVA, memory foam chemicals) are processed in-house. We strictly control foaming temperature and curing time to ensure stable density and long-term resilience.

Precision Cutting & In-Line Inspection
Using automated die-cutting and CNC profile-shaping machines, insoles are cut to exact tolerances. Our on-line QC team conducts continuous checks on length, thickness variations, and edge cleanliness.

Automated Lamination & Secure Packing
Top-covers are bonded using eco-friendly, high-strength water-based adhesives. Finished pairs undergo final visual cleanup before being packed into moisture-barrier master cartons.

Quality Control & Compliance

ISO 9001 Quality Management System

Provides a structured approach to quality control from incoming materials through production and final inspection.

Material & Compliance

For projects requiring specific regulatory or material requirements, relevant documentation and testing can be reviewed during product development, including REACH and RoHS requirements where applicable.

Adhesives and bonding materials are selected according to the insole construction and production process.

Core In-House Lab Test Protocols

Depending on your requirements, our lab routinely executes:
Peel Strength Testing: We measure lamination force between the top-cover and foam base using tensile test machines to prevent edge-peeling.

Compression & Recovery Testing: Simulating footsteps to test dynamic fatigue and guarantee long-lasting cushioning without bottoming out.

Dimensional & Profile Consistency: Caliper and optical checks to ensure every pair matches the approved master template within a ±0.5mm tolerance.

Environmental Odor & Fading Tests: Ensuring sweat and friction resistance for skin-contact comfort.

From Approved Sample to Production Specification

Material

Foam or base material, top-cover fabric and material combination.

Dimensions

Length, width, thickness, profile and size range.

Construction

Layer structure, bonding and overall insole construction.

Appearance

Color, surface finish, edge treatment and logo placement.

Packaging

Packing method, labeling and other agreed packaging details.

How to Evaluate a Shoe Insole Sample

5 Points to Check：

Dimensions & Shape
Check the overall length, width, heel area, forefoot shape and edge profile against the drawing or reference sample.

Thickness & Profile
Measure the relevant areas rather than checking only one point. The heel and forefoot thickness should correspond with the agreed construction and available space inside the shoe.

Material & Top Cover
Confirm the foam or base material, top-cover fabric, color and surface finish against the approved specification.

Bonding & Finishing
Check the bonding between layers, edge cutting, surface condition and visible finishing issues.

Fit Inside the Shoe
Place the sample inside the intended footwear and check its position, shape and overall fit. The insole should be evaluated as part of the footwear construction, not only as an individual component.

Not Sure Where to Start

If you already have a sample

Send the sample
Review construction
Develop replacement sample

If you have a drawing

Send dimensions
Confirm material
Develop sample

If you only have a footwear concept

Tell us the footwear type
Discuss material and profile
Develop initial specification

If you are changing suppliers

Send current specification
Discuss target quantity
Review production requirements

FAQ

Q: Can you develop insoles based on a physical sample we send you?

A: Yes. Our engineering team can reverse-engineer from physical samples, measure density profiles, and replicate or improve upon existing constructions.

Q: What is the typical timeline for sample development?

A: Standard custom samples usually require 5 to 7 working days once material availability and specifications are confirmed.

Q: How are bulk orders packaged for international transit?

A: We offer flexible packaging solutions, including individual polybag pairing, custom branded header cards, or bulk carton packing tailored to your logistics requirements.

Q: What is the typical lead time for bulk production orders?

A: Standard bulk manufacturing usually takes 25 to 30 days after sample approval and deposit confirmation, depending on order volume and material availability.

Q: Do you sign Non-Disclosure Agreements (NDAs) for custom footwear projects?

A: Yes. We routinely sign NDAs to protect your proprietary designs, custom molds, and private label specifications before project discussions begin.

Q: What shipping methods do you support for international delivery?

A: We handle FOB, CIF, and DDP shipments via sea freight or air cargo, working directly with your designated freight forwarder or our logistics partners.

Q: How do you handle quality control before goods leave the factory?

A: Every production batch undergoes inspection covering thickness consistency, bonding strength, size accuracy, and visual finish based on AQL standards.

Q: Can you help lower insole weight or adjust breathability for performance shoes?

A: Yes. We can modify foam densities and incorporate perforated ventilation channels or open-cell mesh structures to optimize airflow and reduce overall weight.

As one of the most professional shoe insole manufacturers in China, we have world-leading production equipment and strong manufacturing capabilities. Please feel free to buy high quality shoe insole at competitive price from our factory. Customized orders are welcome.