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Women's Knit Athleisure Set Vest Jacket Pants
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Ribbed Knit 3-Piece Athleisure Set

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Size & Fit Guide

This 3-piece athleisure set features a slim-fit silhouette designed to create a streamlined, sporty shape. The ribbed knit fabric offers comfortable stretch while maintaining structure. The vest provides a sleeveless, body-skimming fit, the pants feature a high-waist pencil pant silhouette, and the jacket offers relaxed shoulder styling with fitted sleeves.

⚠️ Important Sizing Note: This item uses Asian sizing standards and runs 1-2 sizes smaller than standard US sizing. We strongly recommend sizing up from your usual size. If you're between sizes or prefer a more relaxed fit, choose the larger option.

US Size Conversion Guide:

  • Size S: Best for US 0-2 (typically fits UK 6, EU 34)
  • Size M: Best for US 4-6 (typically fits UK 10, EU 36)
  • Size L: Best for US 8-10 (typically fits UK 12, EU 38)
  • Size XL: Best for US 12-14 (typically fits UK 14-16, EU 40-42)
  • Size XXL: Best for US 16-18 (typically fits UK 18-20, EU 44-46)
Detailed Measurements
Tag Size UK/AU US EU Unit Jacket Vest Trousers
Shoulder Bust Sleeve Length Bust Length Waist Length
S 6 4 34 CM 64 120 47 126 86 38 60-70 100
In 25.2 47.2 18.5 49.6 33.9 15.0 23.6-27.6 39.4
M 10 6 36 CM 66 124 48 127 90 39 64-74 101
In 26.0 48.8 18.9 50.0 35.4 15.4 25.2-29.1 39.8
L 12 8 38 CM 69 130 49 128 94 40 68-78 102
In 27.2 51.2 19.3 50.4 37.0 15.7 26.8-30.7 40.2
XL 14-16 10-12 40-42 CM 72 136 50 129 100 41 78-86 103
In 28.3 53.5 19.7 50.8 39.4 16.1 29.9-33.9 40.6
XXL 18-20 14-16 44-46 CM 75 142 51 130 106 42 80-90 104
In 29.5 55.9 20.1 51.2 41.7 16.5 31.5-35.4 40.9
Measurement Notes: All measurements are garment dimensions (not body measurements). This chart includes UK/AU, US, and EU sizing conversions. Measurements provided in both centimeters and inches.

Reference Size Chart:

Sarah Express Ribbed Knit Athleisure Set Size Chart Measurements

Fit Tips:

  • Jacket: Hits at hip length with structured shoulders and fitted sleeves for a tailored athleisure look
  • Vest: Sleeveless design sits close to the body; length hits at natural waist or slightly below
  • Pants: High-waist pencil pant style with full-length inseam (approximately 39-41 inches depending on size)
  • Stretch Factor: Ribbed knit fabric has moderate stretch for comfort and ease of movement
  • Best Practice: Measure a similar-fitting garment you own and compare to the chart above for most accurate sizing
  • When in doubt: Size up for a more comfortable, relaxed fit, especially given the Asian sizing standard
Features & Fabric
  • Complete 3-Piece Set: Thoughtfully coordinated ensemble includes a ribbed knit sleeveless vest, matching slim-fit high-waist trousers, and a long-sleeve jacket—mix and match or wear together for instant outfit solutions
  • Material Composition: Premium polyester blend (91-99% polyester fiber with less than 10% chlorine fiber) for durability, easy care, and shape retention
  • Fabric Feel: Soft, stretchy ribbed knit construction offers a textured surface with comfortable give. The fabric has moderate weight—substantial enough to smooth and sculpt without feeling heavy or restrictive. Breathable and flexible for all-day wear
  • Stretch: Moderate stretch throughout all three pieces allows freedom of movement while maintaining the slim-fit silhouette. Ribbed texture enhances flexibility
  • Opacity: Fully opaque—no layering or slip required. Wear with confidence
  • Design Details: All-over ribbed texture adds visual dimension and sporty style. Clean, minimalist aesthetic with no embellishments for maximum versatility
  • Color Options: Available in four neutral, wardrobe-essential shades—classic Black, versatile Grey, sophisticated Khaki, and on-trend Army Green
  • Care Instructions: Machine wash cold with like colors. Tumble dry low or lay flat to dry. Do not bleach. Cool iron if needed. The polyester blend resists wrinkles and maintains its shape wear after wear. Imported.
How to Style

The beauty of a coordinated athleisure set is its effortless versatility—you get three pieces that work together seamlessly or integrate into your existing wardrobe for endless styling possibilities. This ribbed knit ensemble takes the guesswork out of getting dressed while keeping you comfortable and chic from morning coffee runs to evening casual dinners. It's the uniform of the modern woman who values both style and comfort, whether you're running errands, traveling, working from home, or enjoying a relaxed weekend with friends.

Complete Outfit Ideas

  • Full Set Casual: Wear all three pieces together for a coordinated head-to-toe look. Pair with white sneakers and a crossbody bag for errands, coffee dates, or casual weekend outings. Add gold hoop earrings and a baseball cap for an elevated sporty vibe.
  • Athleisure Chic: Style the vest and pants together without the jacket for a streamlined two-piece look. Add chunky platform sneakers, an oversized tote, and layered delicate necklaces. Perfect for brunch, farmers markets, or traveling in comfort and style.
  • Jacket as a Layer: Wear the ribbed jacket separately over a basic white tee and high-waist jeans or leggings. The structured athleisure jacket adds polish to casual outfits. Finish with ankle boots and a shoulder bag for a smart-casual look that works for daytime activities or casual Fridays.
  • Mix and Match Bottoms: Pair the vest and jacket with your favorite denim shorts in summer or black leather leggings for an edgier fall look. The neutral colors make mixing easy—the coordinated top pieces anchor any bottom you choose.
  • Elevated Loungewear: Wear the full set at home for stylish lounging or remote work video calls. You'll feel put-together without sacrificing comfort. Slip on cozy slippers or slides, pull your hair into a sleek ponytail, and enjoy looking effortlessly polished even on days you're not leaving the house.

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 usually a US size 8—what size should I order?
A: Since this uses Asian sizing that runs 1-2 sizes smaller than US standards, we recommend ordering size L or XL if you're typically a US 8. Check the detailed measurement chart and compare to a similar garment you own for the best fit. When in doubt, size up for comfort.
Q: Can I wear the pieces separately, or do they only work as a set?
A: Absolutely! While the three pieces look fantastic together, they're designed to integrate into your existing wardrobe. Wear the vest with jeans, the pants with a blouse, or the jacket over a dress—the neutral colors and classic ribbed texture make them incredibly versatile.
Q: What occasions is this set appropriate for?
A: This athleisure set is perfect for casual everyday wear—think weekend errands, coffee dates, travel, working from home, light workouts, or relaxed social gatherings. It's not formal enough for business meetings but ideal for smart-casual environments and any time you want to look put-together while staying comfortable.
Q: Is the fabric see-through or does it show every bump?
A: The fabric is fully opaque, so no undergarments will show through. The ribbed texture and moderate-weight knit actually help create a smoothing, flattering effect rather than clinging to every line. The slim fit is streamlined without being overly tight or revealing.
Q: How do I care for this set to keep it looking new?
A: Machine wash cold with similar colors and tumble dry on low, or lay flat to dry for best results. The polyester blend is wonderfully low-maintenance—it resists wrinkles, holds its shape, and maintains color vibrancy wash after wash. Avoid bleach and use a cool iron only if needed.
Q: Which color is most versatile?
A: All four colors are wardrobe neutrals! Black is the ultimate classic and pairs with everything. Grey offers a softer alternative that's equally versatile. Khaki brings warm, earthy tones perfect for fall and winter. Army Green is on-trend and surprisingly neutral—it works beautifully with denim, black, white, and other earth tones.
Product Highlights
  • Complete 3-Piece Outfit Solution: No more wondering what to wear—this coordinated set includes a vest, pants, and jacket that work beautifully together or separately, giving you multiple outfit options from a single purchase.
  • 👗 Versatile Mix-and-Match Styling: Each piece integrates seamlessly into your existing wardrobe, multiplying your outfit possibilities and maximizing your investment in quality athleisure.
  • 💪 Comfortable Stretch Ribbed Knit: The textured ribbed fabric moves with you while maintaining its shape, offering all-day comfort whether you're active or relaxing. The moderate stretch ensures freedom of movement without sagging or losing structure.
  • ✂️ Flattering Slim-Fit Silhouette: Designed to create a streamlined, sporty shape that flatters all body types. The high-waist pants elongate the legs, the fitted vest defines the waist, and the structured jacket adds polish to the ensemble.
  • 🎨 Four Wardrobe-Essential Colors: Choose from timeless Black, versatile Grey, sophisticated Khaki, or on-trend Army Green—each shade is a neutral that pairs effortlessly with the rest of your closet.
  • 🌡️ All-Season Wearability: The breathable polyester knit works year-round—wear the full set in air-conditioned spaces, layer in cooler months, or wear pieces separately as temperatures change. True wardrobe workhorses that earn their keep across seasons.
  • 🧺 Easy-Care, Low-Maintenance Fabric: Simply machine wash and tumble dry—the durable polyester blend resists wrinkles, holds its color, and maintains its shape wear after wear. Perfect for busy lifestyles that don't have time for dry cleaning or hand washing.
  • 📏 Inclusive Sizing S-XXL: Available in five sizes with detailed measurements provided to help you find your perfect fit. Extended sizing ensures more women can enjoy this versatile athleisure set.
  • 📦 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 athleisure set showcasing the complete 3-piece ensemble, ribbed knit texture, and slim-fit styling from multiple angles.

Sarah Express Ribbed Knit Athleisure Set Front View Full Set Sarah Express Ribbed Knit Athleisure Set Side Angle Detail Sarah Express Ribbed Knit Athleisure Set Texture Close Up Sarah Express Ribbed Knit Athleisure Set Styling Variation

Note: Product colors may appear slightly different on your screen due to monitor settings and lighting conditions.

Elevate your athleisure wardrobe with the Sarah Express 3-Piece Knit Athleisure Set, a complete coordinated outfit designed for comfort and style. This versatile ensemble includes a sleeveless ribbed knit vest, matching slim-fit trousers, and a coordinating long-sleeve jacket—everything you need for effortless, put-together looks from workouts to weekend errands.

  • Complete Set: Includes ribbed knit vest, slim-fit pants, and matching jacket for endless styling combinations
  • Material: Premium polyester blend (91-99% polyester) with soft, stretchy knit construction
  • Fit: Slim-fit silhouette designed to create a streamlined, sporty shape
  • Sizes: Available in S, M, L, XL, XXL with detailed measurements provided
  • Colors: Choose from Black, Grey, Army Green, or Khaki
  • Design: Ribbed texture adds visual interest and flexibility for movement
  • Versatility: Wear as a complete set or mix and match pieces with your existing wardrobe
  • Occasions: Perfect for casual outings, lounging, light workouts, running errands, or relaxed weekends
  • Season: All-season wear—layer in cooler months, wear alone in warmer weather
  • Care: Machine wash cold, easy-care fabric maintains shape and color

This coordinated athleisure set simplifies getting dressed while keeping you comfortable and chic. Whether you're heading to brunch, traveling, or enjoying a laid-back day at home, this 3-piece knit set offers effortless style and all-day comfort. Standard delivery available across the USA.

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