
Elastic Waist Loose Straight Leg Trousers
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Size & Fit Guide
These casual trousers feature a loose, relaxed fit with a comfortable straight-leg silhouette. The elastic mid-waist sits comfortably at your natural waistline without digging in or creating pressure points. The generous cut through the hips and thighs provides freedom of movement, while the straight leg creates a balanced, flattering line from hip to hem. Full-length inseam (approximately 33-35 inches depending on size) works for most heights.
Important Sizing Note: This item runs small compared to standard US sizing as it uses Asian size measurements. We strongly recommend sizing up 1-2 sizes from your usual size. For example, if you typically wear a US Medium, consider ordering a Large or XL for the best fit.
Size Recommendations:
- S: Best for those who typically wear US XS
- M: Best for those who typically wear US S
- L: Best for those who typically wear US M
- XL: Best for those who typically wear US L
- XXL: Best for those who typically wear US XL
- 3XL: Best for those who typically wear US 2X
Size | Length | Hip | ||
---|---|---|---|---|
cm | inch | cm | inch | |
S | 84 | 33.1 | 96 | 37.8 |
M | 85 | 33.5 | 100 | 39.4 |
L | 86 | 33.9 | 104 | 40.9 |
XL | 87 | 34.3 | 108 | 42.5 |
XXL | 88 | 34.6 | 112 | 44.1 |
3XL | 89 | 35 | 116 | 45.7 |
Note: Measurements are in Asian sizing. Please refer to the size chart carefully before ordering. |
Reference Size Chart:

Fit Tips:
- Measure your hips at the fullest part and compare to the "Hip" measurement in the chart—the loose fit should have several inches of ease
- The "Length" measurement indicates inseam from crotch to hem—measure your preferred pant length to determine fit
- The elastic waist is forgiving and stretches to accommodate a range of waist sizes within each size category
- If you prefer a very relaxed fit or plan to layer underneath, size up an additional size
- When in doubt, measure similar pants you own and compare to the chart above
- Contact our customer service team if you need help selecting the right size
Features & Fabric
- Key Features: Pull-on casual trousers with elastic mid-waist for easy wear and all-day comfort. Straight-leg cut with loose, relaxed fit through hips and thighs. Full-length design suitable for everyday wear. Solid color styling pairs effortlessly with any top.
- Material Composition: 81-90% polyester fiber for durability and easy maintenance
- Fabric Feel: Smooth polyester with a medium weight and comfortable drape. The fabric has enough structure to maintain the straight-leg shape without feeling stiff or rigid. Lightweight enough for all-day wear but substantial enough to avoid sheerness. Soft hand feel against the skin with a slight mechanical stretch from the weave.
- Stretch: The fabric itself has minimal stretch, but the elastic waistband provides comfortable give and flexibility around the waist. The loose cut eliminates the need for significant fabric stretch.
- Opacity: Fully opaque construction provides complete coverage without any sheerness.
- Waist Design: Mid-rise elastic waistband sits comfortably at the natural waist without buttons, zippers, or restrictive closures. Simply pull on and go—perfect for comfortable, fuss-free dressing.
- Care Instructions: Machine wash cold with like colors on gentle cycle. Tumble dry low or hang to dry. Polyester naturally resists wrinkles, but cool iron if needed. Do not bleach. Imported.
How to Style
These comfortable elastic waist trousers are the foundation of an effortless casual wardrobe. The loose, straight-leg fit flatters all body types while the pull-on design makes getting dressed a breeze. Whether you're working from home, running errands, or enjoying a relaxed weekend, these versatile pants deliver comfort without sacrificing style.
Complete Outfit Ideas
- Casual Comfort: Pair with a simple tee or tank top and slip-on sneakers for ultimate ease. Add a denim jacket and crossbody bag for running errands or casual weekend activities. This is your go-to uniform for days when comfort is the priority.
- Elevated Basics: Tuck in a crisp button-down shirt or blouse and add loafers or ankle boots. Layer on a cardigan or blazer for a polished-casual look perfect for work-from-home video calls, lunch dates, or casual office environments.
- Cozy Layered Look: Style with an oversized sweater or tunic top and slip-on mules or ballet flats. Add a long cardigan and tote bag for a comfortable, layered aesthetic ideal for cooler weather or relaxed social gatherings.
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: I'm confused about the sizing—what size should I order?
- A: These trousers use Asian sizing, which runs significantly smaller than US sizes. We recommend ordering 1-2 sizes larger than you typically wear. For example, if you're usually a US Medium, order a Large or XL. The elastic waist is forgiving, but you want to ensure the hip measurement accommodates your body comfortably.
- Q: Will the elastic waist be visible or bulky?
- A: The elastic waistband is designed to sit flat and smooth at your mid-waist. When worn with tops that hit at or below the waistband, it's completely hidden. These pants work best with tops that can be tucked in or worn untucked at hip length.
- Q: Are these pants appropriate for work?
- A: That depends on your workplace dress code. For casual offices, remote work, or creative environments, these trousers paired with a nice blouse or sweater work beautifully. For more formal business settings, you may want traditional tailored pants instead.
- Q: How do I care for these to prevent wrinkles?
- A: Polyester naturally resists wrinkles, which is one of its best features. Machine wash cold and either tumble dry on low heat or hang to dry. Remove promptly from the dryer to minimize any creasing. If wrinkles do appear, a quick cool iron or garment steamer will smooth them out easily.
Product Highlights
- 👖 Effortless Pull-On Comfort: Elastic mid-waist eliminates the hassle of buttons and zippers—just pull on and go for fuss-free dressing that feels comfortable from morning to night.
- ✨ Universally Flattering Loose Fit: The relaxed straight-leg silhouette provides comfortable room through hips and thighs while creating clean, balanced lines that work on all body types.
- 🔄 Endless Versatility: Solid color design pairs with absolutely everything in your closet—dress them up with blouses and blazers or keep it casual with tees and sweaters.
- 🧺 Low-Maintenance Polyester: Durable, wrinkle-resistant fabric maintains its fresh appearance with minimal effort—simply machine wash and dry for easy care that fits busy lifestyles.
- 📏 Size Inclusive Range: Available from S through 3XL to accommodate different body types. Remember to size up 1-2 sizes from your usual US size for the best fit.
- ☁️ All-Day Wearability: Medium-weight fabric and relaxed fit mean you can move freely and comfortably whether you're working from home, running errands, or enjoying leisure time.
- 📦 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 these elastic waist trousers showcasing the loose straight-leg fit, comfortable styling, and versatile design.







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The Sarah Express Elastic Waist Casual Trousers are your new go-to for effortless comfort and everyday style. These loose-fit straight-leg pants feature a comfortable elastic mid-waist that eliminates the fuss of buttons and zippers while providing a flattering, relaxed silhouette. Crafted from a practical polyester blend, these full-length trousers are perfect for women who value both comfort and versatility in their daily wardrobe.
- Comfortable Elastic Waist: Mid-rise elastic waistband provides pull-on ease and all-day comfort without restrictive closures
- Relaxed Loose Fit: Straight-leg design with generous room through hips and thighs for unrestricted movement
- Durable Polyester Blend: 81-90% polyester composition offers easy care, wrinkle resistance, and lasting wear
- Full-Length Coverage: Standard trouser length (approximately 33-35 inches) suitable for most heights
- Size Range: Available in sizes S through 3XL
- Important Sizing Note: This item uses Asian sizing which runs 1-2 sizes smaller than standard US sizing—we recommend sizing up
- Versatile Solid Colors: Timeless solid hues pair effortlessly with any top in your wardrobe
- Medium Weight: General thickness works across multiple seasons
These versatile trousers work for casual weekends, relaxed work-from-home days, or comfortable travel. Standard delivery available across the USA.