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Celestia | Bio Turtleneck Sweater with Premium Comfort
Celestia | Bio Turtleneck Sweater with Premium Comfort
Celestia | Bio Turtleneck Sweater with Premium Comfort
Celestia | Bio Turtleneck Sweater with Premium Comfort
Celestia | Bio Turtleneck Sweater with Premium Comfort
Celestia | Bio Turtleneck Sweater with Premium Comfort
Celestia | Bio Turtleneck Sweater with Premium Comfort
Celestia | Bio Turtleneck Sweater with Premium Comfort
Celestia | Bio Turtleneck Sweater with Premium Comfort

Celestia | Bio Turtleneck Sweater with Premium Comfort

$129.98 USD

$64.99 USD

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Color Brown
Size S

Only 9 left in stock

Due to high demand, availability is limited. If you can still add it to your cart, it is still available.

Sizes available for this product are shown in the size selector above. Where we hold supplier garment measurements for a style, they are listed in the product description.

Not sure between two sizes? Email support@jamessarahboston.com and we will help before you order.

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The more you buy, the more you save
Stack and save across every style. The discount applies automatically at checkout.
Buy 2 pieces Extra 10% off
Buy 3 pieces Extra 15% off
Buy 4 pieces Extra 20% off
Buy 5+ pieces Extra 25% off

Sustainably Soft, Timelessly Elegant

There’s nothing quite like the feeling of pure comfort and effortless style—and with the Celestia™ Bio Turtleneck Sweater, you can have both. This sweater is designed to keep you warm, comfortable, and effortlessly chic. Whether you’re layering it under a coat for crisp autumn walks or styling it with tailored pants for a polished look, the Celestia™ Sweater brings a touch of eco-conscious luxury to every outfit.


Ultra-Soft 
Crafted from premium, skin-friendly materials, this sweater provides a gentle, breathable feel, making it perfect for even the most sensitive skin.

Sustainable & Eco-Friendly Choice
Ethically produced with environmentally friendly processes, this sweater lets you look good while doing good for the planet.

Effortless Elegance for Any Occasion
The classic turtleneck design pairs seamlessly with jeans for a casual-chic look or with a skirt for sophisticated refinement.

Easy to Care for & Long-Lasting
Designed for durability and convenience, this sweater maintains its softness and shape—wash after wash.



TODAY ONLY: 50% OFF + FREE SHIPPING!
Wrap yourself in pure comfort and conscious luxury—because feeling good should also do good.

FOR AN OVERSIZED LOOK PLEASE ORDER 1-2 SIZES LARGER THAN YOUR NORMAL SIZE.

Order now before stock runs out!
Note: Stock is limited, and we only sell at a discount while supplies last.

SIZE CHART

SIZE BUST (IN) SLEEVE (IN) LENGTH (IN)
S 45.3 28 22.4
M 46.1 28.3 22.8
L 46.9 28.7 23.2
XL 47.6 29.1 23.6

When in doubt, opt for the larger size for extra comfort and a perfect fit.

Free shipping on every order. Processing takes 1–3 business days, then 6–12 business days for delivery — typically 7–15 business days in total. Tracking on every order.

Change your mind or the fit is wrong? Return within 30 days of receipt, unworn and in original condition — you cover return shipping. Damaged, faulty or incorrect items are handled at our cost. See our Returns page.

At James & Sarah — Boston your peace of mind comes first. We offer secure payments by credit card through trusted payment providers.

Why we started James & Sarah — Boston

We started James & Sarah — Boston because dressing for a New England autumn shouldn't mean owning four different wardrobes. Our inspiration is the way real weeks actually run — the commute, the school run, dinner out, a walk when the leaves turn. We make it for women who want considered, comfortable layers rather than whatever is trending this month. Everything we list is something we would wear ourselves, described honestly, with free shipping and thirty days to change your mind.

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SIZING

Getting the size right, first time

Our styles run slightly small. Every product page carries the measurements we hold, and the size guide sits in the accordion above the add-to-cart button.

Still between sizes? Take the larger one. If it is not right, returns are free for 30 days.

Frequently asked questions

Is shipping free?

Yes — shipping is free on every order, with no minimum.

How do I choose my size?

Each product page lists the sizes we stock and the garment measurements for that item. These are measurements of the garment, not the body, so measure something you already own and compare.

How long does delivery take?

Processing takes 1–3 business days and delivery a further 6–12 business days — typically 7–15 business days in total. See our Shipping page.

How can I track my order?

Every order ships with tracking. You receive the link by email at dispatch.

How can I contact you?

Email support@jamessarahboston.com. We reply within one business day, Monday to Friday.

Free shipping

On every order, with tracking.

30-day returns

Return within 30 days. Faulty or wrong items are on us.

100% Secure Payment

We offer a variety of secure payment options. Pay easily and enjoy a safe shopping experience.