Kids Mockneck Half-Zip Sweatshirt – front view, grey body with contrasting trims, made from soft French terry.
Mockneck Sweatshirt Kids
A girl wearing a french terry half zip sweatshirt
French terry mockneck sweatshirt in heather gray and orange colors
A toddler boy wearing a half zip french terry sweatshirt in grey and orange
A girl smiling and wearing a heather gray and orange half zip sweatshirt
French terry sweatshirt - back view
A toddler boy wearing a half zip french terry sweatshirt in grey and orange
Close up detail on a french terry half zip sweatshirt for kids in heather gray and orange colors
A front view of half zip mockneck sweatshirt for kids

Mockneck Half Zip Sweatshirt

  • Orders $95+ Ship Free
Regular price $85.00 Sale price$64.00
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Shipping calculated at checkout.
Size
Size chart
Size
Height (in)
Weight (lbs)
Chest (in)
Sleeve Length (in)
2T
33-36
30-33
3T
36-39
33-36
4T
39-42
36-40
5T
42-45
40-46
6-7
45-52
45-64
25-26
21.5-23
8-9
51-54
64-72
27
24.5
10-11
54-57
72-81
28.5
25.75
12-13
57-60
82-93
30
27

 

Use our detailed kids' size guide to find the perfect fit for your child. Explore accurate size charts and measurements for our organic cotton clothing—designed for comfort, style, and growing kids.

  • In stock, ready to ship
  • Backordered, shipping soon

About This Mockneck Half-Zip Sweatshirt

This modern mockneck half-zip sweatshirt is crafted from premium organic cotton fleece and finished with thoughtful design details. Buttery soft, warm without being heavy, and effortlessly polished, it’s the layer kids reach for on busy mornings and chilly evenings.

Key Features

  • Fabric: 100% Organic Cotton Fleece — soft, breathable, and comfortable for year-round wear.
  • Mockneck Design: Polished mockneck shape adds style while keeping the neck warm and cozy.
  • Half-Zip Closure: Smooth half-zip makes it easy to put on and take off, with no pulling or fuss.
  • Colorblock Details: Contrasting inner collar and trim give this sweatshirt its signature Firebird look.
  • Comfort: Buttery soft on skin; gentle for sensory-sensitive kids.
  • Fit: Relaxed, unisex fit that layers effortlessly and grows with them.
  • Care: Machine washable — designed for real life, not precious handling.
  • Made in NYC: Produced in small batches in New York City’s Garment District, supporting local craftsmanship.

Why Parents Love It

With its incredibly soft feel, elevated mockneck silhouette, and easy half-zip closure, this sweatshirt strikes the perfect balance of comfort and style. Kids look instantly put together while feeling as cozy as in their favorite hoodie — and parents love that it holds up beautifully wash after wash, lasting long enough to pass down or resell.

Explore More Kids’ Favorites

Circular & Sustainable

Firebird pieces are designed to live more than one life. When your child outgrows this sweatshirt, you can resell it through our Pass It On resale program and give it a second home. Buy better, use better, resell, repeat.

About Firebird Kids

Firebird Kids creates heirloom-quality children’s clothing using premium organic fibers and thoughtful design. Designed in San Francisco and made in small batches in New York City’s Garment District, each piece is beautifully crafted, comfortable to wear, and made to be passed on. Explore more kids’ sweatshirts and wardrobe favorites.

100% GOTS-certified organic cotton. French terry fabric is made in Italy.

Machine wash cold, with like colors, gentle cycle, do not bleach, tumble dry on low.

Orders $95+ ship free (Continental US and Canada).

Shipping

Ground Shipping: Firebird offers FREE ground shipping  on orders over $95 going to any destination in the contiguous United States. For orders under $95, shipping is $5. Please allow 3-8 business days for arrival.

All orders above $150 to Alaska, Hawaii and U.S. Territories qualify for free shipping.

2-Day Shipping:  We offer expedited orders with 2-Day delivery for $25. Please note order processing time still applies to the order. 

Overnight Shipping: Overnight shipping is available for $35. Please note order processing time still applies to the order.

Returns & Exchanges

Visit the Firebird Returns Portal to return an item.

Firebird will exchange and accept returns of unworn, unused and unwashed products within 30 days of shipment, for free. 

Please reach out to hello@firebirdkids.com if you need any help with your exchange or return.

Shipping and Warranties 

Invalid Shipping Address: We are unable to ship domestically and/or internationally to P.O./APO/FPO boxes.

High quality. Timeless designs. Endless adventures.

Firebird Kids pieces are designed to last multiple washes, several lifetimes, and endless adventures.

We use only high-quality materials and GOTS-certified organic cotton, making our clothing more comfortable, durable, and sustainable.

Our designs are also chosen to make reuse and resale easier—unisex where possible and never based on fads.

Learn more about who we are and what we stand for.

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