Skip to product information
Low-Key. High Pride.
The O.E.S. Sister Cap is a relaxed everyday cap for the Sister who likes her Star pride understated but unmistakable. Easy to wear, easy to style, and made for chapter days, travel, errands, and casual weekends.
Why You'll Love It
- Soft, unstructured fit
- Curved visor for a classic silhouette
- Adjustable antique buckle strap
- Lightweight for all-day comfort
- Available in Black, Navy, Light Blue, and White
Construction Details
- 100% chino cotton twill
- 6-panel, low-profile construction
- 6 eyelets
- One size fits most
Simple. Proud. Sisterhood.
The O.E.S. Sister Cap
$24.99 USD
Made to order. Estimated delivery 5–11 business days.
Shipping calculated at checkout.
Size Guide
How to Measure
Chest: Measure around the fullest part of your chest, keeping the measuring tape level under your arms and across your back.
Waist: Measure around your natural waistline without pulling the measuring tape too tightly.
Hips: Stand with your feet together and measure around the fullest part of your hips and seat.
Fit Guidance
For a standard fit, select the size that matches your body measurements.
For a relaxed or oversized fit, consider ordering one size larger.
If your measurements fall between two sizes, choose the larger size.
Product fit may vary slightly depending on the garment style, material and manufacturer.
| Size | Chest (in) | Waist (in) | Hip (in) |
|---|---|---|---|
| S | 34-36 in | 28-30 in | 35–37 in |
| M | 38-40 in | 32-34 in | 39-41 in |
| L | 42–44 in | 36–38 in | 43–45 in |
| XL | 46–48 in | 40–42 in | 47–49 in |
| 2XL | 50–52 in | 44–46 in | 51–53 in |
| 3XL | 54–56 in | 48–50 in | 55–57 in |
| 4XL | 58–60 in | 52–54 in | 59–61 in |
| 5XL | 62–64 in | 56–58 in | 63–65 in |