Cashmerette Club

A polo sweatshirt for big boobs! Meet the Brookhaven Sweatshirt

February 1, 2026
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Who doesn’t love a cozy sweatshirt? And with the classic polo style having a major moment right now, I’ve been dreaming of the perfect polo sweatshirt to add to my wardrobe. But if you have big boobs, you know the struggle: to get enough room up top, you end up swimming in fabric everywhere else. Not exactly the relaxed-but-polished look we’re going for.

That’s why I’m so excited to introduce the Brookhaven Polo Sweatshirt, this month’s Cashmerette Club pattern! The Brookhaven gives you all that cozy preppy style with bust darts and cup sizes C-H, so you actually get the fit you’re looking for—not a fabric tent. Finally, a polo sweatshirt that’s relaxed because you want it to be, not because it’s three sizes too big.

The Brookhaven features classic polo styling including a ribbed collar and buttoned placket, as well as gently shaped darted sleeves for a contemporary touch. It’s a polo sweatshirt that fits the way it should.

Not a member yet? Join today at the All Access level to get the Brookhaven!

Already a Club member?

Heather is wearing a Brookhaven made with custom-printed Polartec fleece from Spoonflower and ribbing from Style Maker Fabrics. She is wearing a size 18 G/H. Her measurements are 45″ (114cm) high bust, 48″ (122cm) full bust, 41″ (104cm) waist and 46″ (117cm) hip and she is 5’7″ (170cm).

 

Brit is wearing a Brookhaven made from French terry and matching ribbing from Style Maker Fabrics. She is wearing a size 8 E/F graded to a 10 at the waist. Her measurements are 34″ (86cm) high bust, 38″ (97cm) full bust, 31″ (79cm) waist and 41″ (104cm) hip and she is 5′ 6″.

Meet the Brookhaven Sweatshirt

Rock a casual preppy look with the Brookhaven, which features:

  • Bust darts in cup sizes C-H
  • Ribbed collar
  • Button placket
  • Shaped sleeve with dart
  • Ribbed cuffs & hem

The Brookhaven is rated advanced beginner, and you can sew yours with confidence thanks to the great instructions and free video sewalong hosted by Whitney of TomKat Stitchery.

Fabric Recommendations for the Brookhaven

The body of the Brookhaven is designed for mid-weight fabrics such as fleece, French terry, velour or minky. The fabrics can be non-stretch, or up to up to 25% stretch in one or both directions. The collar, cuffs and hem band are designed for knit ribbed fabric (tubular or by the yard) with up to 50% stretch, or heavy knit such as ponte or scuba.

Our friends at Style Maker Fabrics want to help you sew your first Brookhaven with 15% off regularly priced fabric, all month long and exclusively for Club members!

Build Your Athleisure Wardrobe for 30% Off

The Brookhaven is a perfect piece to add to your elevated athleisure wardrobe, and this month you can create your new capsule for 30% off. Club members save on our Belmont Leggings, Saybrook Tank, Stanton Hoodie, Spruce Workout Tank, Cedar Dolman Top, and Shawmut Yoga Bag patterns all month long!

More From the Club This Month

This month’s masterclass is all about everyone’s favorite design feature: pockets! We all love pockets, but what should you do when they’re not fitting well? This month I’ll take you through how to tackle pocket fitting challenges, including gaping, placement and size. Perfect pockets for everyone!

Then, join me on Tuesday, February 24th at 12pm EST (9am PST, 5pm GMT, Feb 25th @ 4am AEDT) for a live event on sewing with waterproof fabrics. Whether you’re tackling your Cashmerette Marston Raincoat, or converting a jacket into a waterproof wonder, I’ll share tips to help you source and sew waterproof garments.

Cozy season is calling, and the Brookhaven is ready. Start your new fave sweatshirt today!

Shop This Post

Brookhaven Sweatshirt

Darted polo sweatshirt designed for big boobs with cup sizes C-H. Features a ribbed collar, button placket, and ribbed cuffs and hem for the classic preppy look.

Belmont Leggings

Athleisure leggings and yoga pants sewing pattern, with comfortable ultra-high rise and optional gusset.

Marston Raincoat

Fully lined raincoat with cup sizes C-H for a comfortable fit. Features hood with optional brim, double-layer cuffs with ribbing, and internal drawstring for shaping.

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