Car Seat Leg Rest Extender 6cm Memory Foam Thigh Support Pad Cushion Black Red Brown

SEAMETAL
C43538-BL
In stock
Interior & Storage > Seats & Comfort > Neck & Lumbar Support
$66.49 $49.99
Color *
Black 1pc
Red 1pc
Brown 1pc

Product Overview

Eliminate highway knee fatigue, leg numbness, and lack of thigh support with the SEAMETAL 6cm Memory Foam Car Seat Leg Support Extender Cushion. Built around an anatomical biomimetic C-curve, this ergonomic seat extension pad bridges the gap between your knees and short factory automotive seat cushions. Featuring a high-density 38D slow-rebound memory sponge core wrapped in soft-touch Nappa leather engineered with 8,000+ laser-drilled micro-perforations, it distributes femoral artery pressure evenly while integrating seamlessly into standard car, SUV, and truck driver seats.

Key Specifications

  • Brand: SEAMETAL
  • Model / Base SKU: C43538
  • Total Dimensions: 60 cm Length x 40 cm Width x 6 cm Thickness (23.6" x 15.8" x 2.4")
  • Leg Rest Bolster Section: 18 cm Length x 40 cm Width (7.1" x 15.8") with Ergonomic C-Curve Drop
  • Seat Base Cushion Section: 30 cm Length x 40 cm Width (11.8" x 15.8") with Contoured Thigh Indentations
  • Core Cushioning: 38D High-Density Adaptive Slow-Rebound Polyurethane Memory Sponge
  • Surface Upholstery: Premium Breathable Nappa Leather with 8,000+ Micro-Ventilation Holes
  • Base Underlayment: Heavy-Duty Anti-Slip Grip Texture
  • Anchoring System: Dual Plum Blossom Seat-Crease Chucks + Under-Seat Metal Tension Hooks
  • Available Colors: Executive Black, Sport Red, Luxury Saddle Brown

Core Features & Differentiators

  • 6cm 38D High-Density Foam Core: Delivers substantial, non-collapsing lift beneath the popliteal fossa, absorbing road vibrations and preventing thigh pressure points during long commutes.
  • Biomimetic C-Curve Contour: Ergonomically cradles the hamstring-to-knee transition, supporting the legs naturally to prevent pedal fatigue and muscle cramps.
  • 8,000+ Micro-Porous Breathability: Densely arranged surface airflow matrix prevents perspiration buildup, maintaining a neutral temperature during hot summers and in heated vehicle cabins.
  • Dual-Cinch Anti-Shift Stability: High-tension elastic bands paired with durable plum blossom chucks and metal hooks prevent forward slipping when stepping on accelerator and brake pedals.
  • OEM Contour Harmony: Engineered without side bolsters to preserve full access to power seat adjustment controls, memory seat buttons, and seat belt buckle receivers.

Vehicle Compatibility & Sizing Guide

Universal fit designed for front driver and passenger seats across all vehicle classes:

  • Sedans & Hatchbacks: Extends compact bucket seat bases for tall drivers seeking executive-class leg support.
  • SUVs & Crossovers: Bridges steep angles between upright seating positions and floor pedals for relaxed knee angles.
  • Pickup Trucks & Fleet Vehicles: Cushions harsh suspension feedback on flat truck seats during multi-hour commercial driving.

Step-by-Step Installation Guide

  1. Position Cushion: Lay the pad onto the driver’s seat cushion with the contoured C-curve bolster hanging over the front edge.
  2. Insert Plum Blossom Chucks: Thread the rear elastic straps through the chuck buckles and push them into the junction between the seat back and bottom until locked.
  3. Fasten Front Hooks: Route the lower front straps underneath the front lip of the seat frame and clip the steel hooks onto the seat support bars.
  4. Test Alignment: Sit in your normal driving position to verify that the C-bolster comfortably contacts the underside of your thighs without impeding pedal operation.
  5. Maintenance Care: Clean the perforated Nappa leather surface with a damp microfiber cloth. Do not soak the internal memory foam core.

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Shipping & Delivery

No matter where you are in the US, free shipping for USPS First Class Mail for all orders.

I placed an order! When will I get it?

YAY! Orders ship from our warehouse in China within 2 business days from when the order is processed. Orders placed on Friday after 12 p.m., Saturday, and Sunday are processed and shipped the following business day. During high volume, like a sale, the processing time may increase. For domestic orders, USPS delivers shipments that may take up to 7-14 business days.

I haven’t received my order yet. What’s going on?

If you are in the US and it’s been over 10 business days since you placed your order, or if you are in other countries and it’s been over 15 business days since you placed your order, please let us know by emailing us with your name and order number. Thanks for your patience!

A note for international customers: Occasionally overseas shipments will take longer due to the delivery country’s customs. Each customs office is different and SEAMETAL is not responsible for any fees or tariffs.

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OUR 30-DAY WARRANTY

Most products come with a FREE replacement warranty for 30 days from purchase.

  • If your purchase does not match the description or the item is defective, please get in touch with us within 48 hours of receiving your order - we will make sure that all of your issues are resolved.
  • If you received the wrong item, please contact us within 48 hours of delivery. We will arrange to deliver the correct items or return all your payments.
  • For defective or faulty products, please take photos or videos and email us at service001@seametalco.com - we will replace or refund your purchase after confirmation.

PLEASE NOTE: This policy does not cover misuse, accidental damage, water damage, or any abuse of the purchased product.

RETURNS & REFUNDS

Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately, we can't offer you a refund or exchange.

In order to receive your refund please follow the steps below:

Send us an email -> Customer Service Confirmation -> Return Product -> Refund

  • Products can only be returned if they are still in their original condition and packaging. Used products or products damaged by the customer will not be eligible for a refund.
  • Request your Return Authorization Number by emailing service001@seametalco.com with a detailed reason for return and pictures or a video of the product that supports your reason. Our Customer Service team will respond to you within 24 hours. Upon approval, you will receive the address of the closest warehouse where you can mail the product you would like to return.
  • To assure your refund please use trackable mail service, we will not be responsible for lost or missing packages. We currently do not provide a return label. (You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. Please make sure you send the item back as a gift as we don't cover custom fees for returns)
  • Upon receiving your package, your products will be examined and a full refund will be issued to your original method of payment. A refund receipt will be emailed to the email address you used when making your original purchase.
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Car Seat Leg Rest Extender 6cm Memory Foam Thigh Support Pad Cushion Black Red Brown
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