Best Organic Cot Mattresses of 2026

Hollie Coleman Avatar
Hollie Coleman
Last Updated: 2 Feb 2026

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Organic cot mattresses are an eco-friendly and natural alternative to traditional cot mattresses. Made from natural materials such as organic cotton, wool, and latex, these mattresses are free from harmful chemicals and synthetic materials that can be found in conventional mattresses. They are designed to provide a comfortable and safe sleeping environment for babies, while also being sustainable and environmentally responsible. Organic cot mattresses are a great choice for parents who are looking for a healthy and natural option for their baby's sleep.

At a Glance: Our Top Picks

The Little Green Sheep Organic Wool Cot Mattress Cover #TOP 1
The Little Green Sheep Organic Wool Cot Mattress
ftb score rating icon 9.9
The Little Green Sheep Organic Cot Mattress Cover #TOP 2
The Little Green Sheep Organic Cot Mattress
ftb score rating icon 9.8
Easy Dort Bamboo Cot Mattress Set with Organic Cotton Pads Cover #TOP 3
Easy Dort Bamboo Cot Mattress Set with Organic Cotton Pads
ftb score rating icon 9.6

Top 4 Organic Cot Mattresses

#TOP 1

The Little Green Sheep Organic Wool Cot Mattress

M006A
Natural
60 x 120cm
The Little Green Sheep Organic Wool Cot Mattress Cover
The Little Green Sheep M006A Organic Wool Cot Mattress, Breathable Natural Mattress, 120x60cm

The Little Green Sheep Mattress offers a handmade design from natural materials, ensuring your child sleeps on a healthy surface. With its breathable construction, it allows for gentle airflow, helping to regulate body temperature for ultimate comfort during sleep. The hypo-allergenic wool effectively disperses moisture, creating a clean and dry environment, which is particularly beneficial for babies with allergies. You can rest assured knowing that this mattress is free from harmful chemicals and foams, providing a safe sleeping space for your little one.

What We Like
100% natural materials
Breathable and moisture-wicking
Hypo-allergenic for sensitive babies
Firm yet comfortable surface
Handmade with care
#TOP 2

The Little Green Sheep Organic Cot Mattress

M006B
Natural
70 x 140cm
The Little Green Sheep Organic Cot Mattress Cover
The Little Green Sheep Organic Cot Bed Mattress, Breathable Natural Mattress for Birth to 5 Years, 140x70 cm

The Little Green Sheep Mattress is a handcrafted cot bed mattress designed for children from birth to five years. Made from natural coconut coir and latex, it ensures a supportive and comfortable sleeping environment. You can rest easy knowing it is 100% natural, free from harmful chemicals and foams. The breathable materials promote gentle airflow, helping to regulate your child's body temperature for a peaceful night's sleep. Additionally, the hypo-allergenic wool layer keeps the mattress clean and dry, protecting against dust mites and bacteria.

What We Like
Handmade from natural materials
100% chemical-free
Breathable for temperature regulation
Hypo-allergenic for safety
Firm yet comfortable support
#TOP 3

Easy Dort Bamboo Cot Mattress Set with Organic Cotton Pads

matelas
White
Easy Dort Bamboo Cot Mattress Set with Organic Cotton Pads Cover
Easy Dort Mattress 70 x 140 cm / 140 x 70 cm Bamboo Cot + 2 Organic Cotton Mattress Pads | Complete Set for Baby Bedrooms | GOTS & Oeko-Tex Certified | Made in France & EU

The Easy Dort Bamboo Mattress is a practical cot set designed to provide comfort and convenience for your baby’s bedroom. It includes a bamboo mattress sized 70 x 140 cm, perfect for standard cot beds and other baby furniture, ensuring a soft and breathable sleeping surface. The set also features two organic cotton mattress protectors, which are waterproof thanks to a polyurethane layer, keeping the mattress clean and hygienic by preventing moisture and spills. Bamboo covers offer a pleasant touch and are suitable for both summer and winter, helping your baby sleep comfortably day and night.

What We Like
Includes bamboo mattress and protectors
Soft, breathable, and comfortable
Waterproof mattress protectors
Suitable for summer and winter use
Fits standard cot beds
#TOP 4

Mokee Natural Breathable Baby Cot Mattress 140x70

natural mattress
140 x 70cm
Mokee Natural Breathable Baby Cot Mattress 140x70 Cover
Mokee Natural Baby Cot Mattress, Breathable Mattress For Babies, Coconut Fibre and Natural Wool, Hypoallergenic Cot Bed Mattress (140 x 70)

The Mokee Baby Cot Mattress offers a natural and safe sleeping surface for your baby. Made from 100% chemical-free coconut fibres and natural latex, it remains firm and supportive as your child grows. The removable, machine washable cover helps you keep the mattress clean and hygienic with ease. Lined with organic wool, this mattress is naturally hypoallergenic, regulates temperature, and prevents dust mites, ensuring your baby sleeps comfortably and safely. This mattress combines quality materials with practical design to provide peace of mind for parents.

What We Like
100% natural and chemical-free
Removable, washable cover
Firm support with coconut fibres
Hypoallergenic organic wool lining
Complies with British safety standards
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Does an organic mattress matter for baby?

An organic crib mattress helps increase blood flow and relieve pressure so your baby can get a good night sleep. Organic baby crib mattresses are made with non-toxic materials so your baby will avoid sleep interruptions due to exposure to chemically treated fabrics.

2. What is the safest type of cot mattress?

The Lullaby Trust advises that the safest cot is a clear cot - clear from soft toys, cot bumpers, wedges or sleep positioners, for instance. This is because evidence shows that the safest way for a baby to sleep is on a firm flat mattress in a clear cot.

3. What is the best material for a cot mattress?

What cot mattress material should I choose?. Foam – lightweight and easy to clean, foam cot mattresses are generally good value for money. ... Coil spring – a little more expensive and sturdier than a pure foam mattress, coil spring mattresses are like the traditional spring mattress you may have on your own bed.

4. What should I look for in an organic crib mattress?

When shopping for non-toxic crib mattresses, look for options made from materials like natural latex, organic cotton, organic wool, bamboo, and hemp. Mattresses made from wool and cotton are inherently fire resistant, thus not requiring the application of chemical fire retardants to meet safety standards.

Editor's Notes

During our organic cot mattress research, we found 46 organic cot mattress products and shortlisted 4 quality products. We collected and analyzed 1,822 customer reviews through our big data system to write the organic cot mattresses list. We found that most customers choose organic cot mattresses with an average price of £89.82.

The organic cot mattresses are available for purchase. We have researched hundreds of brands and picked the top brands of organic cot mattresses, including The Little Green Sheep, Easy dort, Mokee.

Written by
Hollie Coleman Avatar

Hollie Coleman is a paediatrician from Cambridge. She acquired her degree from the University of Oxford, where she also built her copywriting skills. Hollie practiced as a paediatrician for seven years; she wrote and published a couple of books on baby products that sold massively in Europe. With Hollie's vast knowledge in paediatrics, she now dedicates her time to publishing more articles on baby products for FindThisBest.