Is the No. 1 Sack Suit good for summer?

Yes. Cotton twill is lighter and more breathable than worsted wool, which makes it a reasonable warm-weather suit. It still creases, so expect some wrinkling by the end of a long day.

How does the sack cut fit compared with slim-fit suits?

The sack suit has a straight body, no front darts and natural shoulders, so it fits fuller and boxier than a slim-fit suit. It suits men who want room through the chest and waist rather than a tapered silhouette.

Can I wear the jacket and trousers as separates?

Yes. The cotton twill jacket works with chinos or jeans, and the trousers pair with a blazer or knitwear. That versatility is one of the reasons buyers choose it over a formal wool suit.

Is it formal enough for a wedding?

It depends on the dress code. It suits relaxed, outdoor or daytime weddings, but it is too casual for black-tie or strictly formal events, where a wool suit is the better choice.

A sack suit is the traditional American Ivy style: the jacket has no front darts, natural shoulders and a straight drape. Brooks Brothers helped popularize the cut, and the No. 1 is its modern version.

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Brooks Brothers No. 1 Sack Suit in Cotton Twill

−30%

Clothes · Brooks Brothers

The cotton twill suit that means business

Name: Brooks Brothers No. 1 Sack Suit in Cotton Twill
Brand: Brooks Brothers
Availability: InStock

Brooks Brothers No. 1 Sack Suit in Cotton Twill

Deal score 4.8 · Good deal

$1,048.60$1,498.00 Brooks Brothers's regular price

You save $449.40 at Brooks Brothers

Deal.ai's agents found this deal on November 14. The store may have changed its price since.

Why it's a great deal

Brooks Brothers lists its regular price at $1,498.00: 30% off by its own figures

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Specs

Department: Men's
Color: Navy, Beige
Size Type: Regular, Petite / Short, Tall

About the Brooks Brothers No. 1 Sack Suit in Cotton Twill

The Brooks Brothers No. 1 Sack Suit is a soft-shouldered cotton twill suit cut in the traditional Ivy sack style: natural shoulders, a straight body and no front darts. The cotton twill makes it lighter and more casual than a worsted wool suit, so it works as a warm-weather or dressed-down suit. It suits men who want an unstructured, classic American look rather than a sharp tailored silhouette. Against slim-fit wool rivals it trades polish for comfort and breathability.

Best forWarm-weather and summer wearBusiness casual and creative officesMen who prefer unstructured, natural-shoulder tailoringWeddings and events with a relaxed dress code

Pros

Soft, natural sack shoulders with no padding
Cotton twill breathes better than worsted wool
Classic Ivy cut that is roomy through the chest and waist
Works as separates as well as a full suit
Brooks Brothers' long-running sack pattern

Cons

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