Best Organic Cot Mattresses of 2025

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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
Top 5 Organic Cot Mattresses
The Little Green Sheep Organic Cot Mattress
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.
Mamas & Papas Organic Cotbed Mattress 140x70
The Mamas & Papas Cotbed Mattress is designed for comfort and practicality. Its organic natural luxury cotton quilted cover offers a soft sleeping surface, ensuring your little one sleeps soundly. The wipe-clean inner cover is perfect for protecting the core from spillages, making maintenance a breeze for busy parents. You can also rotate the mattress to enhance its longevity, ensuring it lasts as your child grows. Additionally, the padded hypo-allergenic natural wool provides a safe and cosy environment for your baby.
The Little Green Sheep Organic Wool Cot Mattress
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.
Obaby Natural Coir Wool Cot Mattress 140x70cm
The Obaby Coir Wool Cot Mattress features an inner core made from coconut coir, which is bonded with latex for enhanced support. Wrapped in lambs wool, this mattress provides anti-dust mite protection and helps to regulate your baby's body temperature, making it ideal for little ones prone to allergies. The organic bamboo cover is not only soft to the touch but also tough on bacteria and odours, ensuring a hygienic sleeping environment for your child.
The Little Green Sheep Breathable Mattress for Babies
The Little Green Sheep Mattress is designed to provide your baby with a comfortable night's sleep. Its beautifully soft linen and cotton blend creates a gentle sleeping surface, perfect for delicate skin. The organic materials ensure that no harmful chemicals are present, making it ideal for sensitive children. Additionally, the breathable fabric helps regulate your baby’s temperature throughout the year, keeping them cosy in both warm and cool weather. Plus, when it’s time for a clean, simply pop it in the washing machine for easy care.
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.
During our organic cot mattress research, we found 166 organic cot mattress products and shortlisted 5 quality products. We collected and analyzed 3,118 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 £99.72.
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, Mamas & Papas, Obaby.

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.