
Colorblock Keyhole Ruffle Hem Smock Dress
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Size & Fit Guide
This smock dress features a relaxed, regular fit with a flattering high-waist design and A-line silhouette that gently flows away from the body. The short length hits above the knee for playful, breezy styling. Batwing short sleeves provide a relaxed, bohemian feel with generous arm coverage, while the keyhole neckline adds feminine detail. The non-stretch polyester fabric maintains its structured shape while the smock-style construction offers comfortable, forgiving fit through the body.
Sizing Note: This dress uses French (FR) sizing standards. The measurements provided below reflect the actual garment dimensions. We recommend measuring a well-fitting dress you already own and comparing to the chart. The smock-style design is naturally forgiving and relaxed, so most customers find their usual size works well. If you're between sizes or prefer a looser fit, consider sizing up.
FR | Size | Shoulder (cm / in) |
Length (cm / in) |
Sleeve Length (cm / in) |
Bust (cm / in) |
Cuff (cm / in) |
Arm (cm / in) |
---|---|---|---|---|---|---|---|
36 | S | 39.5 / 15.6 | 65 / 25.6 | 60.5 / 23.8 | 97 / 38.2 | 22 / 8.7 | 34 / 13.4 |
38 | M | 40.5 / 15.9 | 66 / 26.0 | 61.5 / 24.2 | 101 / 39.8 | 23 / 9.1 | 35.4 / 13.9 |
40/42 | L | 41.5 / 16.3 | 67.5 / 26.6 | 62.5 / 24.6 | 107 / 42.1 | 24.5 / 9.6 | 37.6 / 14.8 |
44 | XL | 42.5 / 16.7 | 69 / 27.2 | 63.5 / 25.0 | 113 / 44.5 | 26 / 10.2 | 39.8 / 15.7 |
Reference Size Chart:

Fit Tips:
- French Sizing: FR 36 = US 4, FR 38 = US 6, FR 40/42 = US 8/10, FR 44 = US 12. Extended sizes 2XL and 3XL follow proportional scaling.
- Bust Measurement: Measure around the fullest part of your bust and add 2-4 inches for comfortable fit, then compare to the chart.
- Length Guide: Measured from shoulder to hem. This short-length dress typically hits mid-thigh to just above the knee depending on height.
- Sleeve Note: Batwing sleeves are designed to be loose and flowing. The "arm" measurement indicates the circumference at the widest point of the sleeve.
- Non-Stretch Fabric: Ensure measurements allow for movement since polyester fabric doesn't stretch. When in doubt, size up for comfort.
- Need Help? Measure your favorite dress and compare, or contact our customer service team for personalized sizing assistance.
Features & Fabric
- Key Features: Eye-catching colorblock pattern in navy blue with contrast panels, keyhole V-neckline with decorative knot detail, batwing short sleeves for bohemian flair, high waist with smock-style construction, flared A-line skirt with playful ruffle hem, contrast lace trim and fringe accents adding texture and visual interest
- Material Composition: 100% polyester—a durable, easy-care synthetic fiber known for color vibrancy, wrinkle resistance, and lightweight comfort
- Fabric Feel: Lightweight and smooth with a structured drape that holds its shape beautifully. The woven polyester has a slightly crisp hand that creates elegant movement in the A-line skirt. Completely opaque with no sheerness, requiring no slip or additional layering.
- Stretch: Non-stretch fabric maintains its silhouette throughout wear. The relaxed smock-style cut provides ease of movement without requiring fabric stretch.
- Lining: Unlined construction keeps the dress lightweight and breathable—perfect for warm weather wear
- Opacity: Fully opaque in the navy colorblock design—wear confidently without layering concerns
- Weight & Season: Light to medium-weight fabric ideal for spring and summer temperatures. Breathable enough for warm days while substantial enough to maintain shape.
- Care Instructions: Machine wash cold with similar colors on gentle cycle. Tumble dry low or hang to dry to maintain shape and prevent wrinkles. Warm iron if needed on polyester setting. Do not bleach. Imported.
How to Style
This colorblock smock dress is your secret weapon for effortless warm-weather style. The playful combination of bohemian details—ruffle hem, batwing sleeves, contrast lace—with a modern colorblock pattern creates a look that's both trendy and timeless. Perfect for the woman who wants to look put-together without trying too hard, this dress transitions seamlessly from casual daytime activities to relaxed evening gatherings with just a quick accessory change.
Complete Outfit Ideas
- Beachside Brunch: Pair your colorblock dress with tan woven slide sandals and a wide-brim straw hat for classic vacation vibes. Add oversized tortoiseshell sunglasses, a rattan crossbody bag, and delicate gold anklet. Perfect for seaside cafés or resort brunches.
- Weekend Market Style: Ground the bohemian aesthetic with white leather sneakers and a denim jacket tied around your waist. Accessorize with a canvas tote bag, layered pendant necklaces, and small hoop earrings for a casual, approachable look ideal for farmers markets or weekend errands.
- Sunset Dinner Date: Elevate the dress with nude or cognac wedge espadrilles that elongate your legs. Add a woven clutch, statement drop earrings, and stacked bracelets. Sweep hair into a messy low bun and add a bold lip for an effortlessly romantic evening look.
- Garden Party Chic: Style with block-heel sandals in a complementary color (coral or mustard would pop beautifully against navy), a structured straw handbag, and oversized sunglasses. Add a delicate scarf tied in your hair as a headband for vintage-inspired garden party charm.
- Casual Travel Outfit: Keep it comfortable for travel days with slip-on sneakers, a lightweight cardigan for air conditioning, and a crossbody bag for hands-free convenience. The non-wrinkle polyester makes this perfect for packing—arrives looking fresh at your destination.
Styling Q&A
- Q: How long does shipping take?
- A: This item qualifies for standard delivery and typically arrives in 7-12 business days within the USA.
- Q: How does the French sizing work? What's my size?
- A: French sizing runs as follows: FR 36 = US 4, FR 38 = US 6, FR 40/42 = US 8/10, FR 44 = US 12. We also offer extended sizes 2XL and 3XL. The smock-style design is forgiving, so if you're between sizes, your usual size should work well. Check the detailed measurement chart and compare to a dress you love for the best fit.
- Q: Will the colorblock pattern work with my existing wardrobe?
- A: Absolutely! Navy blue is incredibly versatile and pairs beautifully with neutrals (tan, white, beige), metallics (gold accessories), and warm accent colors. The colorblock design is the statement, so keep accessories simple and let the dress shine.
- Q: What are batwing sleeves and will they flatter me?
- A: Batwing sleeves are loose, flowing sleeves that widen from the shoulder to the underarm, creating a relaxed, bohemian silhouette. They're incredibly flattering as they provide comfortable arm coverage without clinging, balance out the hips, and add visual interest. The short length keeps them from overwhelming smaller frames.
- Q: Is this appropriate for slightly dressier occasions?
- A: Yes! While the dress has a casual foundation, the colorblock pattern, keyhole neckline, and ruffle details add enough visual interest for garden parties, outdoor weddings (as a guest), casual dinner parties, or date nights. Simply elevate with wedges or heeled sandals and polished accessories.
- Q: Does the non-stretch fabric feel restrictive?
- A: Not at all! The smock-style construction is specifically designed to drape loosely over the body, so you don't need fabric stretch for comfort. The high waist and A-line skirt allow plenty of movement. Most customers find the structured fabric actually enhances the dress's elegant flow and shape.
- Q: How do I care for polyester to keep it looking new?
- A: Polyester is wonderfully low-maintenance! Machine wash cold on gentle cycle, tumble dry low, and it'll stay vibrant and wrinkle-free. The fabric doesn't pill or fade like natural fibers. For travel, it packs beautifully without wrinkling—shake it out and it's ready to wear.
Product Highlights
- 🎨 Eye-Catching Colorblock Design: The modern navy blue colorblock pattern with contrast panels creates instant visual interest and a fashion-forward look that stands out from basic solid dresses.
- 💃 Feminine Detail-Rich Styling: From the keyhole V-neckline with knot detail to the playful ruffle hem and contrast lace trim, every element is designed to create a romantic, bohemian-chic aesthetic you'll love wearing.
- 🌸 Flattering Batwing Sleeves: The unique batwing short sleeves add bohemian flair while providing comfortable, non-restrictive arm coverage that balances your silhouette and creates effortless movement.
- ✨ Universally Flattering A-Line Shape: The high-waist smock silhouette with flared hem creates a feminine, flowing shape that flatters all body types while providing comfortable, forgiving fit through the midsection.
- ☀️ Perfect Spring & Summer Essential: Light, breathable 100% polyester fabric and short length make this ideal for warm weather adventures—from beach vacations to backyard BBQs and everything in between.
- 🌈 Extended Size Inclusivity: Available from S through 3XL with detailed French sizing conversions, because beautiful dresses should be accessible to every body.
- 🧳 Travel-Friendly Easy Care: Wrinkle-resistant polyester fabric means this dress packs beautifully for vacations and washes effortlessly when you return. Machine washable with excellent color retention—no special care needed.
- 🎯 Versatile Day-to-Night Styling: Dress it down with sneakers for daytime or up with wedges for evening—the colorblock pattern and feminine details adapt beautifully to any occasion with simple accessory changes.
- 📦 Standard USA Delivery: Enjoy reliable standard shipping with delivery typically within 7-12 business days across the United States.
More Images
View detailed images of this colorblock smock dress showcasing the keyhole neckline, ruffle hem detail, batwing sleeves, and flattering A-line silhouette from multiple angles.




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Make a statement this season with the Sarah Express Colorblock Smock Dress, a playful yet sophisticated piece that brings effortless charm to your warm-weather wardrobe. Featuring a flattering keyhole V-neckline, feminine ruffle hem, and unique batwing sleeves, this dress combines boho-inspired details with modern colorblock design. The relaxed smock silhouette with a high waist creates a comfortable, flowing fit that flatters every body type while maintaining a polished, put-together look.
- Design: Eye-catching colorblock pattern with contrast lace trim, keyhole V-neckline with knot detail, flared ruffle hem, and playful fringe accents
- Sleeves: Distinctive batwing short sleeves for a relaxed, airy feel with bohemian flair
- Silhouette: A-line smock dress with high waist and flared hem for an effortlessly feminine shape
- Material: 100% polyester for easy care, vibrant color retention, and lightweight comfort
- Fabric Characteristics: Non-stretch woven fabric with structured drape and opaque coverage
- Length: Short length hitting above the knee for breezy, playful styling
- Color: Rich navy blue with colorblock contrast panels
- Sizes Available: S, M, L, XL, 2XL, 3XL with French sizing reference chart
- Fit: Regular fit with relaxed, forgiving smock-style construction
- Occasions: Perfect for weekend brunches, beach vacations, casual gatherings, and summer outings
- Care: Machine washable polyester for low-maintenance wear
This charming dress effortlessly transitions from day to evening—pair it with sandals for daytime adventures or dress it up with wedges for sunset dinners. The colorblock design adds visual interest while the ruffle details bring playful femininity. Available in extended sizes to celebrate every body. Standard delivery available across the USA, typically arriving within 7-12 business days.