Pillowcase | Natural Silk & Hidden Zipper
- In stock, ready to ship
- Inventory on the way
Free shipping · Order today, arrives in 5–8 business days
- 90-day returnsPrintable return label by email
- Ships in 2–4 business daysTracked delivery in 3–4 days
- Real people, real answersEmail replies within a few hours
- Designed in the USAConsidered pieces, made to last
Reduce skin creases and hair frizz overnight — made with natural silk, hidden zipper for secure fit
Maintain skin hydration and hair smoothness during sleep — low friction silk fabric, no harsh cotton textures

Why is this Natural Silk Pillowcase perfect for you?
✔ Minimizes morning facial creases by using silk with the lowest friction coefficient (7.4), promoting hydrated skin and reducing fine lines and wrinkles for a refreshed appearance.
✔ Reduces hair frizz, dryness, and split ends by lowering friction by 43%, retaining natural oils to keep hair smooth and manageable.
✔ Regulates temperature naturally to keep cool in summer and warm in winter, providing consistent comfort throughout the year with a skin-friendly material.
Specifications
- Material: Natural silk from domesticated silkworms
- Closure type: Natural silk fabric with lowest friction coefficient 7.4
- Material Origin: Produced from domesticated silkworms in captivity
- Zipper Type: Hidden zipper design for secure fitting
- Temperature Regulation: Regulates heat, cools in summer, warms in winter
Size Guide
Find your fit.
Our pieces follow standard US sizing. If you're between sizes, choose the larger size for outerwear and knitwear and your usual size for dresses. The Size Finder on every product page gives you a personal recommendation in seconds.
Women's clothing
| Size | US | Bust (in) | Waist (in) | Hips (in) |
|---|---|---|---|---|
| XS | 0–2 | 31–32 | 24–25 | 34–35 |
| S | 4–6 | 33–34 | 26–27 | 36–37 |
| M | 8–10 | 35–36 | 28–29 | 38–39 |
| L | 12–14 | 37.5–39 | 30.5–32 | 40.5–42 |
| XL | 16 | 40.5–42 | 33.5–35 | 43.5–45 |
| XXL | 18 | 43.5–45 | 36.5–38 | 46.5–48 |
Men's clothing
| Size | Chest (in) | Waist (in) | Neck (in) |
|---|---|---|---|
| S | 35–37 | 29–31 | 14–14.5 |
| M | 38–40 | 32–34 | 15–15.5 |
| L | 41–43 | 35–37 | 16–16.5 |
| XL | 44–46 | 38–40 | 17–17.5 |
| XXL | 47–49 | 41–43 | 18–18.5 |
Shoes
| Foot length (in) | Women US | Men US | EU |
|---|---|---|---|
| 9.0 | 6 | – | 36–37 |
| 9.4 | 7 | – | 37–38 |
| 9.7 | 8 | 6.5 | 38–39 |
| 10.0 | 9 | 7.5 | 40 |
| 10.3 | 10 | 8.5 | 41 |
| 10.6 | 11 | 9.5 | 42–43 |
| 11.0 | – | 10.5 | 44 |
| 11.3 | – | 11.5 | 45 |
| 11.7 | – | 12.5 | 46 |
Still unsure? Email info@fifthavenuestyle.com for personal sizing help.
Every piece is made from carefully selected materials. Please follow the care label inside the garment. As a rule of thumb: wash knitwear cold and dry it flat, and have tailored outerwear professionally dry cleaned to keep its shape for years.
Free US shipping on every order. Orders are processed within 2–4 business days, then delivered within 3–4 business days. You'll receive a tracking number by email as soon as your order ships.
90-day returns. Return unworn items in their original condition within 90 days of delivery. Email us and we'll send you a printable return label; the label cost is deducted from your refund, except for damaged, faulty or incorrect items. Full return policy