Smart One 4.0 Organic Cotton All-in-One - Rad Raptor

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$28.00
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Men's T-shirt Size Chart 

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Infant Long Sleeve Onesie Size Chart

Size Chart - Infant Organic Long Sleeve Onesie

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Youth Short Sleeve Crew T-shirt Size Chart

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Unisex Sweatshirt Size Chart

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Infant Rib Pants Size Chart

Size Chart - Infant Rib Pants

Smart Bottoms Smart One 4.0 

One Size | 10–35 lbs | 100% Certified Organic Cotton

The Smart One 4.0 is a premium organic cotton all-in-one cloth diaper designed for simplicity, absorbency, and long-term durability. This one-size reusable diaper fits most babies from 10 to 35 pounds and provides reliable leak protection without unnecessary bulk.

With ten absorbent layers of certified organic cotton and an attached insert that folds for customized absorbency, the Smart One 4.0 delivers performance and convenience in one streamlined design.


Why Parents Choose the Smart One 4.0

100% Certified Organic Cotton Interior

The diaper is lined with certified organic cotton, providing a natural fiber layer against baby’s skin. No synthetic stay-dry materials are used inside the diaper.

Ten Layers of Absorbency

Built with ten super absorbent layers, this all-in-one diaper is designed to handle everyday wear while maintaining a trim fit.

Customizable Absorbency

The attached insert can be folded to concentrate absorbency exactly where your baby needs it most, making it suitable for both light and heavier wetters.

True All-in-One Convenience

Everything is sewn in. No stuffing, snapping, or assembling required. Diaper changes are quick and straightforward, making this an ideal option for caregivers, daycare, or cloth diaper beginners.

Faster Dry Time

The unique design allows for efficient washing and drying. Most machines will fully dry the diaper in one warm cycle.

Gentle, Leak-Reducing Fit

Wide, rolled leg elastic helps:

  • Reduce red marks
  • Improve comfort
  • Prevent leaks

Materials

Inner: 100% Certified Organic Cotton
Outer: 100% TPU (waterproof and breathable)


Care Instructions

  1. Wash 1–2 times before first use to prep the fibers.
  2. Absorbency will continue to increase with regular washing and drying.
  3. Wash warm.
  4. Dry warm.
  5. Do not use bleach or fabric softener.

 

How long will it take to ship my order?

Your order will be shipped within 3-8 business days.

How much does it cost?

We offer free trackable shipping on select items.

Shipping rates for partner brand items and international orders may vary and will be calculated at checkout.

Where is my order shipped from?

Big Frenchies apparel is shipped in plastic-free packaging directly from our Virginia facility. Items from our partner brands may have different packaging and can be shipped from any of their fulfillment locations worldwide.

How long does shipping take?

USA: 3-8 business days
CA, AUS, UK, and Europe: 5-21 business days
Rest of world: 5-25 business days

As a small family-owned business, we thrive on your feedback, so it's vitally important for us to make sure you're happy with your purchase.

Our return policy is simple: You have 30 days from delivery to request a return or exchange for most products shipped within the United States. Learn more about our full return policy.

Please note:

  • Returns are only available for US orders. International orders are final sale.
  • For health and safety reasons, personal care items (like baby creams, shampoos, balms, sunscreens, and lotions) and food products cannot be returned once opened.

You can reach out to our customer support team by submitting your request via the "Contact Us" form or by emailing us at support@bigfrenchies.com. A member of our support staff will respond to you as soon as possible.

We'd love to hear from you!
The best way to reach us is via email: support@bigfrenchies.com.

Have questions about sustainability, shipping, return, exchange or something similar?

Check our FAQ page.

What Makes Our T-Shirts Special?

Making a Difference

By choosing organic cotton clothing, you are using 50% less water, 50% less energy, and 46% less CO2. By choosing Big Frenchies, you are also planting a tree with every order.

Ethically Made in USA

We strongly oppose child-labor, and that's why all of our products are proudly made in USA by a small, family-owned business.

Designed in France

Our unique designs are created in Paris, so you will feel the French love every time you wear our clothing.

GOTS-Certified Organic Cotton

From seed to shelf, Big Frenchies' entire supply chain is inspected by a third-party auditor to ensure that all suppliers are adhering to GOTS standards.

Non-Toxic

The cotton we use is grown by organic farmers in an environmentally-friendly way, free of toxic chemicals.

Amazingly Soft & Durable

With no chemicals to weaken the fibers, our organic cotton clothing is more durable and softer than conventional cotton clothing, which makes it a great choice for people with sensitive skin.

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