Cotton Flat Cap – Adjustable Organic Cotton Hat | Lightweight Summer Style
The cotton flat cap from Hatloom is a breathable summer hat crafted from 100% organic cotton hat fabric to keep you cool and comfortable in warm weather. This adjustable flat cap fits head sizes from 57 to 61 cm, ensuring a perfect fit for all-day wear. Combining classic flat cap style with lightweight summer cap construction, this unisex cotton cap offers timeless design and sustainable comfort for both men's flat cap and women's flat cap needs.
Key features of this plain cotton cap include:
This traditional flat hat merges heritage design with modern function, making it a versatile accessory for casual to semi-formal occasions. Tested for durability and backed by Hatloom’s quality assurance, the soft cotton fabric enhances airflow and reduces sweat buildup, providing lasting comfort throughout the day. Whether you need a men's flat cap or women's flat cap, this plain cotton cap elevates your wardrobe with its classic flat cap style.
The lightweight summer cap construction ensures you stay comfortable during all your warm-weather activities. As a casual outdoor hat, it adapts seamlessly to your lifestyle while supporting eco-conscious choices through its organic materials. Experience the perfect blend of style, comfort, and sustainability with the Hatloom Cotton Flat Cap—your everyday solution for a breathable, adjustable flat cap that fits just right.
Choose this unisex cotton cap to complement any outfit while enjoying long-lasting performance and enduring style. Its adjustable flat cap sizing guarantees a secure fit, while the breathable summer hat design helps regulate temperature on hot days. Crafted from soft cotton fabric, this traditional flat hat supports both comfort and heritage style in one essential accessory.
International Free Shipping
We offer free international shipping on orders over $50, as well as paid express shipping.
Delivery times: 8–12 days (free shipping) / 5–7 days (express shipping).
Ships from the USA, Italy, or China, depending on product availability.
Tariffs & Duties
We cover all tariff and duty charges for U.S. orders.
For international orders, local customs fees may apply depending on your country.
Purchase Protection
Shop confidently on Hatloom — if something goes wrong with your order, we've got your back.
Read our return policy
Every hat on Hatloom is carefully selected from trusted manufacturers and goes through quality control before reaching you — because only the best makes it to our store.
Measure the circumference of your head about 1 cm above your ears using a soft tape measure.
Size S: 54–55 cm (21.3–21.7")
Size M: 56–57 cm (22.0–22.4")
Size L: 58–59 cm (22.8–23.2")
Size XL: 60–61 cm (23.6–24.0")
Most hats are adjustable (55–59 cm). When in doubt, size up.
Every product we make is one of a kind. We make more each day and post them here as we finish them. Our most popular products usually sell within hours of being posted.
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