Women's 3-Piece Knit Set – Longline Cardigan, Square-Neck Ribbed Tube Top & Wide-Leg Trouser – 4 Colors, S–2XL

Women’s 3-Piece Knit Set – Longline Cardigan, Square-Neck Ribbed Tube Top & Wide-Leg Trouser – 4 Colors, S–2XL

Three pieces. One fabric. One colour. Complete. A longline open-front cardigan, a square-neck ribbed tube top, and wide-leg knitted trousers — each distinct in construction, each a different expression of the same soft knit fabric and solid colour. Four colorways: Gray, Navy, Black, Brown. Sizes S through 2XL. 100% polyester knit. Wear all three together, or pull each piece separately into the rest of your wardrobe.

The set’s design logic is built on a single constraint: every piece is made from the same soft knit yarn in the same solid colour, with no mixing, no contrast, and no detail competing with the fabric itself. The result is a full-length tonal look — cardigan over tube top over trouser, all in one unbroken column of colour — that reads as simultaneously effortless and deliberate. The three pieces are not identical in construction: the tube top is a fine-rib fitted knit; the trousers are a softer, more relaxed mid-gauge knit; the cardigan is the loosest and most drapey knit of the three. The same yarn, three different constructions, one consistent aesthetic.

The longline open-front cardigan is the set’s statement piece and its most versatile component. It falls open without any fastening — no buttons, no zip, no tie — in a clean, continuous drape from the shoulder to the knee or below. The cardigan is oversized: the shoulders are dropped, the body is wide and generous, and the sleeves are full-length and relaxed through the arm. When worn open over the tube top and trouser, the cardigan creates the set’s full visual effect: a long, sweeping outer layer that frames the fitted tube top and broad trouser silhouette beneath. The front edges of the cardigan form a natural deep-V opening as it drapes, creating a column of visible tube top from neckline to waist. The cardigan’s knit has a soft, mid-gauge construction with a gentle texture — not a cable or pattern knit, but not flat either: a naturally textured, fabric-forward knit that reads as premium and considered. In the Gray colorway, the yarn’s heathered quality — warm cream and taupe flecks blended through the oat/greige base — is most visible in the cardigan’s large surface area, giving the Gray set a particularly organic, soft-luxury quality.

The square-neck ribbed tube top is the set’s fitted inner layer and its most directly wearable standalone piece. The neckline is precisely what the name describes: a clean, straight, perfectly horizontal square neckline sitting at the upper chest/collarbone level, spanning the full width of the bust. The square neckline is the tube top’s defining detail — it is neither a V nor a scoop but a clean architectural horizontal line that is the tube top’s single most identifiable feature and its most flattering framing device. The tube top’s fabric is a fine-rib knit: densely ribbed vertical channels running from the square neckline to the hem, creating a fitted, structured surface that moulds gently to the body without clinging aggressively. The rib construction gives the tube top its hold — it sits in position across the bust without the need for visible boning or multiple straps. The hem of the tube top features a clean ribbed fold-over band that mirrors the square neckline in its clean horizontal termination. The tube top is cropped to the natural waist / high hip, so when worn with the wide-leg trouser, there is a seamless visual transition from tube top hem to trouser waistband — the high waist of the trouser meets the cropped top of the tube to create a continuous vertical line.

The wide-leg knitted trousers complete the set with a silhouette that balances the fitted tube top above and the generous cardigan on either side. The trousers sit at a high rise with a wide, fold-over ribbed waistband — approximately 6–8cm deep — that is the trouser’s most immediately functional and visually significant construction detail. The wide ribbed waistband sits securely at or above the natural waist, holds the trouser in position throughout the day, and creates a clean, structured waist definition even in the absence of a traditional waistband. Below the waistband, the trouser falls in a genuinely wide leg: a broad, relaxed, floor-length column of soft knit fabric that is the trouser’s most commercially appealing and most photographable quality. The knit fabric of the trouser is softer and more open than the tube top’s fine rib — a mid-gauge soft knit that drapes with the easy, relaxed quality of a well-made knitwear trouser rather than the structured quality of a woven fabric. The trouser’s loose, relaxed fit is consistent throughout the leg from the high waist to the hem — not tight, not tapered, not gathered. A clean wide-leg knit column.

The Four Colorways

Gray — Warm oat/greige with a soft heathered texture — cream and taupe flecks blended through the base yarn. This is not a cold mid-grey but a warm, organic neutral that reads as natural-luxury. The heathered texture is the Gray colorway’s distinguishing quality: it gives the knit a visual depth and tactile richness that flat solid-colour knitwear cannot replicate. The most neutral and broadly wearable colorway, and the one that most clearly expresses the set’s soft-luxury quality. The hero colorway — two gallery images including the product shot. The best choice for the customer who wants maximum versatility and a warm neutral that works with everything.

Navy — Deep, rich, saturated navy blue. Clean and solid, with the full knit texture visible across the cardigan and trouser surface. Navy knitwear is a perennial strong performer — it reads as smart casual, broadly flattering across skin tones, and genuinely seasonless. The Navy three-piece set is the most office-ready and most formally versatile of the four — the longline cardigan over the fitted navy tube top and wide trouser reads as an elevated, polished knitwear look that works from a city commute to a dinner table. The best all-occasion choice.

Black — Flat, solid black. The most graphic and most minimal of the four colorways. The all-black knit set — tube top visible beneath the open longline cardigan, with wide-leg trouser below — creates a clean, column-like silhouette that reads as effortlessly put-together and fashion-editorial. The most broadly marketable colorway and the easiest to style. Pairs with any metallic accessory (gold, silver, brass) and any bag colour. The first purchase for a new customer and the most reliable performer year-round.

Brown — Deep espresso/chocolate brown. The most autumnal and most fashion-directional colorway. Dark chocolate knitwear is one of the defining colour stories of the 2023–2026 premium women’s fashion market — it has cycled from trend-forward to wardrobe-staple over this period, which makes the Brown three-piece knit set a strong investment: it reads as current without being seasonal. Two gallery images confirm this as a second hero colorway alongside the Gray. The best autumn/winter choice and the most powerful choice for content creation and editorial styling — dark brown knitwear photographs particularly strongly in golden-hour and warm interior light.

Three Pieces, Three Ways to Wear

All three together — the full look: Longline cardigan open over the ribbed tube top, with wide-leg trousers. The cardigan frames the tube top’s square neckline and the trouser’s broad silhouette. The full tonal look — three knit pieces in one unbroken colour — is the set’s most powerful and most photographable styling. Add a compact structured bag and minimal gold jewellery and the look is complete.

Tube top + trousers alone: Without the cardigan, the set reads as a fitted bandeau-and-wide-leg co-ord — a more exposed, more summer-forward styling that works in warmer conditions or for evening occasions. The square neckline and wide-leg trouser together create a clean two-piece co-ord silhouette.

Cardigan as a separate: The longline cardigan is a wardrobe piece in its own right. Worn over a fitted black turtleneck and tailored trousers, over jeans and a white shirt, or over any fitted inner layer in a contrasting or complementary colour, the longline knit cardigan functions as a premium outer layer for cooler days. It is the piece that justifies the three-piece set as a wardrobe investment rather than a seasonal novelty.

Product Details

• Set Includes: 1 × Longline Open-Front Cardigan + 1 × Square-Neck Ribbed Tube Top + 1 × Wide-Leg Knitted Trouser (3 pieces)
• Cardigan Style: Longline, open-front, collarless — no fastening; falls open naturally; duster to knee length
• Cardigan Fit: Oversized — dropped shoulders; wide, relaxed body; full-length sleeves
• Cardigan Knit: Soft mid-gauge knit — gently textured surface; no pattern or cable; natural fabric variation
• Tube Top Neckline: Square — clean, straight horizontal neckline across full bust width; sits at upper chest/collarbone
• Tube Top Construction: Fine-rib knit — fitted to body; ribbed vertical channels neckline to hem; ribbed fold-over hem band
• Tube Top Length: Cropped — natural waist / high hip; pairs seamlessly with trouser’s high-rise waistband
• Trouser Waist: High-rise with wide fold-over ribbed waistband approx. 6–8cm deep — sits at or above natural waist; no zip or button
• Trouser Silhouette: Wide-leg, relaxed — broad even width from high waist to floor
• Trouser Knit: Soft mid-gauge — looser construction than tube top; drapy and relaxed
• Trouser Length: Full-length, floor-grazing
• Fabric: 100% polyester knit — soft, mid-weight; matte surface; heathered texture in Gray colorway
• Colors: Gray (warm oat/greige heathered) / Navy / Black / Brown (espresso/chocolate)
• Sizes: S, M, L, XL, 2XL
• Style Category: 3-piece knit set / longline cardigan co-ord / knitwear lounge set / minimalist knit outfit
• Occasion: Smart casual, city casual, elevated loungewear, work-from-home premium, day-to-evening, travel, content creation
• Season: Autumn/winter primary (soft mid-weight knit); suitable for cool spring; the cardigan alone is a year-round layering piece
• Styling Note: Shown styled throughout with a small structured black shoulder bag and minimal gold hoop earrings — the most effective formula for this set: one compact bag, one metallic earring, and nothing else competing with the tonal knit look. For elevated styling: swap the structured bag for a leather top-handle bag or clutch; add a simple gold chain necklace (sits beautifully at the square neckline); finish with loafers, pointed-toe mules, or clean white leather trainers depending on occasion register

US Size Guide

Tube top is fitted — size to your bust. Cardigan is oversized — one size fits most; size up for a more generous fit. Trousers: high-rise ribbed waistband, size to hips. Asian sizing runs 1–2 sizes smaller — size up if between sizes.

Body measurements in inches. Tube top: fitted, size to bust. Cardigan: oversized. Trousers: size to hips. ±1” variance due to manual measurement. Asian sizing runs 1–2 sizes smaller — size up if between sizes.

Care Instructions

• Hand wash cold or machine wash on delicate/gentle cycle in a mesh laundry bag — knitwear is best protected from agitation and stretching
• Wash separately or with similar colours for first 1–2 washes
• Do not bleach
• Do not tumble dry — lay flat to dry to maintain the shape of all three knit pieces, particularly the cardigan and trousers which can stretch or distort if hung or machine dried
• Cool iron if needed — press on reverse side through a pressing cloth; do not iron directly on the knit surface
• Do not dry clean
• Store folded, not hung — hanging knitwear can cause shoulder distortion over time

Colors may vary slightly due to monitor display settings. Gray colorway has a warm heathered texture — actual colour is warm oat/greige rather than a flat mid-grey. Tube top: fitted, size to bust. Trousers: high-rise, size to hips. Asian sizing 1–2 sizes smaller. Hand wash or gentle machine wash cold. Lay flat to dry. Do not tumble dry. Refer to size guide before ordering.