Pure Silk Duvet, Summer 4.5 Tog
Light, naturally balanced warmth for restful sleep
Light and comfortable for an effortless sleep experience
Naturally warm without the heaviness of traditional duvets
Interlocking design to combine across seasons
Breathable and gentle for sensitive sleepers
Part of the Petitcocon sleep collection, the pure silk duvet is designed to bring a more natural sense of comfort to rest.
Filled with fine silk, it offers warmth without weight, settling softly over the body rather than pressing against it. The result is a lighter, more balanced sleep experience.
The 4.5 tog duvet is designed for warmer months, offering a light and breathable layer that helps regulate temperature through summer nights.
Finished with an interlocking system, it can be paired with the 7 tog duvet to create a warmer option for winter, allowing you to adapt comfort effortlessly across the seasons.
Free UK delivery over £75
Free return for 30 days
Gift packaging available
15% off your first order
Product Features
Quiet Luxury
Designed to feel calm, light and naturally refined, the duvet brings a sense of ease to rest.
Softly settling rather than pressing down, it creates a more relaxed and composed sleep experience.
Pure Silk Filling
At its core, the duvet is filled with 100% silk, chosen for its natural lightness and quiet performance.
More breathable and fluid than traditional fillings, it offers a softer and more elevated alternative.
Light Without Weight
The duvet provides warmth while remaining noticeably light.
Rather than sitting heavily on the body, it drapes softly, allowing for a more natural and unrestricted sleep.
Balance by Nature
Silk responds gently to the body’s needs, maintaining a comfortable and steady environment throughout the night.
Warm when needed, yet never overwhelming, it creates a quiet balance that supports deeper rest.
A Year-Round System
Available in 4.5 tog and 7 tog options, each duvet is designed for different seasons.
Used individually or combined through an interlocking system, they form a considered approach to year-round comfort.
Size, Material & Care
Size
Cotbed: 150 x 120 cm
Single: 200 x 135 cm
Material
Filling: 100% Silk
Cover: 100% Cotton
Care
Warm gentle machine wash
Do not bleach
Do not tumble dry
Iron at low temperature
Dry flat
Sustainability
We believe that true sustainability begins with thoughtful sourcing.
Every Petitcocon piece is made from carefully selected natural fibres - including cotton and silk - chosen for their quality, longevity, and gentle softness.
Our collections are produced in limited runs, with an emphasis on durability, timeless design, and the quiet intention to be kept, not replaced.
Delivery & Returns
UK Free Standard Delivery (orders over £75)
3-5 working days
UK Standard Delivery
3-5 working days £4
UK Next Day Delivery (order placed by 2pm Monday - Friday)
Next working day £6
European Delivery
4-6 working days £12
International customers are responsible for any import duties and taxes. These are not included at checkout and must be paid upon delivery.
Holiday Process Time
During busier periods - particularly throughout the festive season - our processing times may be slightly longer than usual. We will always do our best to dispatch your order as quickly as possible.
UK Return
Free (label provided)
£4 deducted for any further return
European Return
£12 deducted form the return amount
Duties and taxes paid upon ordering are non-refundable.
if additional duties/taxes are to be paid upon receipt of the return, the cost of these will be deducted from the value of your refund.
Full Details
Please see our Shipping Policy and Return Policy.
Choose options
why pure silk
Silk has long been valued for its natural ability to create a more balanced and breathable sleep environment.
Light, soft and quietly responsive, it adapts to the body rather than working against it, allowing for a more natural and comfortable rest.
Unlike heavier or less breathable fillings, pure silk offers warmth without weight, creating a refined and effortless sleep experience.
What makes it different
While many duvets rely on dense cotton or synthetic fillings, silk offers a noticeably lighter and more fluid alternative.
It provides warmth without heaviness, allowing the body to move and rest more naturally throughout the night.
Rather than trapping heat, it helps maintain a more balanced environment, resulting in a sleep experience that feels calmer, more comfortable, and less restrictive.
Designed for every season
Available in 4.5 tog and 7 tog options, each duvet is designed to suit different times of the year.
The lighter option offers breathable comfort through summer, while the higher tog provides gentle warmth for cooler months.
Combined through an interlocking system, they form a warmer winter duvet — creating a flexible and considered approach to year-round sleep.
A more balanced sleep
A lighter duvet changes the way sleep feels.
By reducing weight and allowing the body to settle more naturally, it creates a more relaxed and uninterrupted experience.
Softly draping rather than pressing down, it supports a calmer, more composed night’s rest.
why parents choose petitcocon
Developed with a focus on material quality and considered construction.
Designed with a refined French aesthetic and a sense of simplicity.
Made for everyday use, supporting comfort and better sleep.
Created to bring a quiet sense of softness and ease to daily life.