Women's Suits | Women’s Designer Suits USA | IDA+S

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Vivienne Wool Blend Trouser

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Vivienne Wool Blend Trouserfrom $177.00 USD

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Vivienne Wool Blend Blazer

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Vivienne Wool Blend Blazer $448.00 USD

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Orla Wool Tailored Pant

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Orla Wool Tailored Pant $468.00 USD

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Orla Wool Tailored Jacket

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Orla Wool Tailored Jacket $498.00 USD

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Thea Tweed Wide Leg Trouser

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Thea Tweed Wide Leg Trouser $248.00 USD

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Maisie Ankle Suit Pants

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Maisie Ankle Suit Pants $248.00 USD

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Reese Black Suit Blazer

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Reese Black Suit Blazer $448.00 USD

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Colette Wide Leg Trousers

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Colette Wide Leg Trousers $298.00 USD

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Annabelle Tailored Wool Blazer

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Annabelle Tailored Wool Blazer $498.00 USD

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Eliza Suit Pants

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Eliza Suit Pants $298.00 USD

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Elizabeth Rock Grey Suit Jacket

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Elizabeth Rock Grey Suit Jacket $448.00 USD

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Milan Tapered Wool Suit Pants

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Milan Tapered Wool Suit Pants $298.00 USD

Women’s Suits

Discover IDA+S women’s designer suits, where modern tailoring meets timeless elegance. Designed in Australia and crafted with purpose, each suit reflects Ida Siu’s vision of elevated everyday dressing, refined silhouettes, thoughtful construction, and fabrics chosen for both beauty and longevity.

Our collection of women’s designer suits brings together tailored two-piece sets, single and double-breasted blazers with matching trousers, wide-leg and tapered suit pants, and contemporary power suits created for confident, effortless wear. Whether you are dressing for the office, an important occasion, or everyday moments, IDA+S offers sophisticated suiting that moves seamlessly between professional and personal life.

Modern Tailoring, Crafted to Endure

Rooted in craftsmanship and conscious design, IDA+S suits are made using premium Italian and merino wool, silk-wool blends, linen blends, and cashmere blends. These carefully selected materials deliver structure, breathability, and softness, allowing each piece to feel as good as it looks. From crisp wool tailoring to lighter linen blends ideal for warmer climates, every fabric is chosen to support comfort, durability, and year-round versatility.

Suiting for Work, Events, and Everyday Life

IDA+S women’s suits are designed to flatter a range of body shapes and personal styles. You will find sleek tailored blazers, relaxed modern cuts, wide-leg trousers, tapered pants, and coordinated suit sets that balance structure with ease. Each silhouette is thoughtfully developed to create clean lines through the shoulders, waist, and leg, offering both polished and relaxed confidence.

From classic black and soft neutrals to contemporary seasonal tones, our women’s designer suits are available in a curated palette that complements every wardrobe. These versatile color options make it easy to build a capsule of tailored essentials that transition naturally from weekday meetings to evening events.

Many IDA+S suit styles are intentionally designed as individual pieces, allowing you to mix and match blazers and trousers across collections. Pair a tailored jacket with relaxed pants, or style suit trousers with knitwear or silk blouses for a more casual approach. This modular design philosophy gives you the freedom to create multiple looks from a single investment, extending the life and versatility of every piece.

IDA+S women’s designer suits are created for both professional settings and special occasions. Structured blazers and tailored trousers offer a tailored foundation for office wear, while softer fabrics and contemporary cuts lend themselves beautifully to event dressing. Whether styled as a full suit or worn separately, each piece is designed to elevate your everyday wardrobe with understated luxury.

For a complete look, explore coordinating pieces across our designer clothes collection, including tailored jackets and pants, to build outfits that reflect your individual style while maintaining a cohesive, polished aesthetic.

Designed with Purpose and Built for Longevity

At IDA+S, design is guided by integrity, longevity, and thoughtful craftsmanship. Founded by Ida Siu, the brand is built on the belief that clothing should empower women while respecting the people and processes behind each garment. With factory ownership and close oversight of production, IDA+S maintains high standards of quality and ethical responsibility, creating pieces that are meant to be worn, loved, and kept for years to come.

From fabric selection to final finishing, every women’s designer suit reflects IDA+S’s commitment to purposeful luxury. These are garments designed not only for today, but for a wardrobe that evolves with you.

To find your ideal fit, we recommend referring to the IDA+S size guide and measuring your bust, waist, and hips before selecting your size. If you prefer a more tailored silhouette, consider sizing to your closest measurement. For a relaxed or modern fit, you may wish to size up depending on the style. Each product page includes detailed fit notes to help guide your choice, and our customer care team is always available to assist with personalized sizing advice.

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