XL Hair Bonnet Organic Silver Ion Silk
XL designed for thick, lengthy hair
99% bacteria reduction
Enhanced moisture infusion for brittle ends
The most awarded and recognized silk hair bonnet.
Winner of Oprah's Sleep O-Wards 2026 and Harper's Bazaar Editors Pick.
#1 Silk Hair Bonnet - Good Housekeeping Awards, 21 Ninety Awards.
Editors pick in Allure, Refinery 29, Mind Body Green and Oprah Daily.
The reversible Silver Ion XL bonnet features 100% organic silk infused with silver ions for medical grade follicle healing and enhanced hydration. Specially designed for thick, long, and voluminous hair, the XL bonnet features a wider opening and 2x more silk and space than standard size. Reversible in two tones with an outer organic bamboo adjustable strap.
Also available Atelier Medica and Originals.
Get sizing advice using our hair type finder.
An adjustable outer tie in 100% certified organic flex bamboo fabric, allowing for near-perfect fit adjustments. With this innovative and reversible design, the XL bonnet can be worn inside out with two tones of silk, and on any side (4 different ways) for comfort. It has been designed for those with thicker, longer and more voluminous hair.
All our organic silk collections are free of additives and chemicals. Benefits of GOTS certified Organic Silver Ion Silk include:
- Clinically tested elimination of bacteria colonization in acne, eczema, and other inflammatory skin conditions
- Accelerated healing, tissue regeneration, and increased anti-aging benefits for skin, scar tissue, and hair follicles
- Silver ion infused silk is antibacterial, anti-inflammatory, and anti-fungal for better skin, scalp, and hair health
- Enhanced medical grade antibacterial fabric, lasting without wash up to 3-5 times longer than conventional silk
- Silver nano-particles offer antioxidant benefits to fight free radicals
- Clementine's Organic Silver Ion Silk offers higher levels of fibroin and sericin, the natural amino proteins responsible for skin and hair health
Packaged in Clementine's reusable box to keep fresher and last longer, the built in drawer allows for easy storage and is a stunning addition to any nightstand.
Natural elastic encased in organic silk
Adjustable outer tie in 100% certified organic bamboo
Non toxic GOTS certified organic dyes and coloring.
Our XL Bonnet strap is 100% certified organic bamboo - sustainably grown, plastic-free, and naturally light. It has remarkably soft stretchability from it's jersey knit construction. No synthetics. Just, thoughtful luxury.
The opening unstretched is 10x10 inches (25.5x25.5cm) and can stretch to 20x20 inches (51x51cm). Two outer ties / adjustable straps measure 31 inches (79cm) each. Bonnet depth is approximately 12 inches (30.5cm).
For help with matching your hair type to our products, please see our hair type finder
CLEANING
Hand wash in cold water or machine wash on a delicate setting in a ‘silk-only’ load.
If hand washing, use a mild detergent. Gently massage the fabric for one minute to activate dirt removal and then leave to soak for the next four minutes. Rinse in fresh cold water.
DRYING
Lay flat or hang in the shade until dry, away from the sun. Ironing and steaming is optional – keep on a low setting
STORING
A cool and dry place is always best for storage. Neatly fold and store in your Clementine Sleepwear box.
KEY FEATURES
Extensively tested
After many requests from customers, we set to work testing and constructing the perfect bonnet for those who need an XL size.
Organic silver ion silk
With advanced follicle healing, anti-bacterial self-cleaning molecules, and enhanced hydration for longer and thicker hair.
Perfect fit adjustable strap
An adjustable flex strap on the outside, made from 100% organic bamboo allows for adjustments and ties in multiple ways for the perfect fit.
