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Suits and Slacks for Wedding Guests

Weddings have long been synonymous with stiff tuxedos, itchy dresses, and questionable tailoring. But what if you could show up in style and stay true to your ethics? The good news is: you absolutely can.

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Start by taking a fresh look at your existing wardrobe. You might be surprised by the new outfit combinations you can create.

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You could also consider outfit rental. Here are 7 Clothing Rental Brands to Try. And if you need to buy something instead of renting, you can explore secondhand options.

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Chinos and Trousers

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A well-cut pair of trousers can be just as sophisticated as a full suit, especially if you're going for a relaxed yet dressed-up vibe. Think tapered silhouettes, breathable and sustainable fabrics like TENCEL and organic cotton, and subtle earth tones or neutrals that transition effortlessly from ceremony to dance floor. The following brands have both masculine and feminine versions of pants and trousers:

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Everlane

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Armedangels

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Dedicated

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Faherty

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Asket

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Men's pants and trousers

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Another Tomorrow

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Women's pants and trousers

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Aday

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Women's pants and trousers

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Suits and Blazers

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Wearing a suit doesn’t have to mean sacrificing your personality — or the planet. Pair a relaxed blazer with wide-leg trousers or a matching co-ord set. Opt for lightweight organic fabrics or suiting made with deadstock materials.

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If you’re looking to buy something new, some of the sustainable fashion brands offer beautifully tailored pants, suits, and button-down shirts that work for weddings, without compromising on comfort, quality, or the planet

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Vestiaire Collective

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Secondhand options designed for men and women

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The RealReal

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Secondhand options designed for men and women

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Everlane

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Elegant wedding attire for women, with sustainability at its core

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Armedangels

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Women's contemporary blazers crafted from eco-friendly materials

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Outerknown

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Men's sophisticated casual tailoring and versatile chore coats

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Faherty

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Refined yet relaxed blazers for both men and women, perfect for beach weddings

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Threads 4 Thought

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Sustainable casual jackets with modern silhouettes - Women's collection

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Toad&Co

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Men's and women's Innovative eco-stretch blazers, combining comfort and style

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Asket

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Men's timeless, minimalist outerwear designed for longevity

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Another Tomorrow

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Women's luxurious wedding-ready suiting with impeccable sustainable credentials

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Aday

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Women's contemporary, minimalist jackets perfect for modern ceremonies

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Button-down Shirts

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The button-down shirt is a classic for a reason. Tucked into high-waisted pants, layered under a blazer, or worn slightly oversized with bold accessories — it’s one of the most versatile staples for any kind of wedding look. Sustainable brands have taken it up a notch with breathable fabrics, relaxed fits, and gender-inclusive sizing. The following brands have both masculine and feminine versions of button-down shirts:

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