Children’s sweatshirt patterns

Children’s sweatshirt patterns in PDF: choosing the right cut before cutting the fabric

A children’s sweatshirt is quick to sew, but just as easy to get wrong if you choose the wrong pattern for your skill level or the wrong fabric for the intended use. This category brings together downloadable PDF patterns for children’s sweatshirts, ranging from 3 months up to 14–16 years, with a variety of constructions: raglan, classic set-in sleeves, 2- or 3-piece hoods, and centre zip. Here’s what you need to know to make the right choice.

Raglan or set-in sleeves: what really makes a difference in children’s sewing

The raglan cut, where the sleeve runs directly from the neckline to the armhole on a bias, eliminates the need to assemble the sleeve cap. This is the most technical part of a classic set-in-sleeve sweatshirt, where you need to distribute 1 to 2 cm of ease along a curve. For a first children’s sweatshirt, the raglan sleeve is objectively simpler to assemble. It also offers greater freedom of movement at the shoulder, which is important for a child who runs and climbs.

The set-in sleeve, on the other hand, gives a more structured look, closer to a shop-bought sweatshirt. It is better suited to tightly woven fleeces (300 g/m² and above) which are less tolerant of stretching during assembly. If this is your first children’s sweatshirt, start with a raglan. If you’ve already completed a few projects, both styles are equally suitable.

Fleece, French terry, bouclé: which fabric for which children’s sweatshirt

Classic fleece (sweatshirt fabric, loopback) weighs between 250 and 400 g/m². Below 250 g/m², it will be too light to keep you warm without a layer underneath. Above 350 g/m², it becomes difficult to sew in multiple layers, particularly at the neckline seams or where ribbing is layered. For a loungewear sweatshirt or a hoodie worn at 18°C, 280–300 g/m² strikes the right balance.

French terry (with a looped inner side and a smooth outer side) is lighter, weighing between 200 and 280 g/m². It is better suited to mid-seasons or for sweatshirts worn as a mid-layer. It is less warm, but more comfortable against the skin of young children. Genuine terry (with loops on the outside) is a fabric designed for comfort, not warmth: it makes lovely, cosy sweatshirts but is no substitute for a thick fleece in winter.

The ribbing for the cuffs, hem and neckline must have a width stretch of at least 50 per cent. Cut it 8–10 cm wide: once folded in half and sewn, it will measure 4–5 cm. If you cut it too short, it will pull and distort the finished garment after a few washes.

Reading a children’s sweatshirt PDF pattern: things to check before tracing

A4-sized PDF patterns require the sheets to be assembled before tracing. Always check the calibration square (usually 5 x 5 cm, indicated on page 1) before sticking anything down. Printing at 98% rather than 100% shifts the scale by 2 mm per 10 cm, which equates to a 1 cm error on a shoulder width of 30 cm.

Children’s sizes are given in height (from 68 cm to 164 cm, depending on the publisher) or by age. Always use the child’s actual chest measurement as a guide: children of the same age can have very different body shapes. A 7-year-old child may have a chest circumference of either 57 cm or 64 cm. Most patterns include multiple nested sizes, allowing you to mark out a size between two sizes if necessary.

For a hooded jumper, a two-piece hood (with a central seam) gives a rounder shape and is easier to adjust than a one-piece hood. A three-piece hood with a front panel is more technically challenging but offers the best shape retention. For children under 6, opt for designs without a drawstring in the hood.

Designers of children’s jumper patterns: a few pointers

Klafoutis offers children’s hoodies with well-documented construction methods, suitable for intermediate sewers. Le Papa de Jojo stands out for its patterns designed for unisex sweatshirts with loose fits that allow for growth. Instinct Couture covers larger children’s sizes up to age 16. Lilikou regularly publishes hooded designs with zipped variations that are well suited to beginners.

To complete a handmade sweatshirt, the shop’s children’s trouser patterns include several fleece or jersey designs that use the same fabrics and assembly techniques.

Frequently asked questions about children’s sweatshirt patterns

How much fabric do I need for a size 6 children’s sweatshirt?

Allow approximately 1.20 m to 1.40 m for fleece with a width of 150 cm, including the hood. Without a hood, 90 cm is often sufficient. Allow an extra 30 cm of ribbing (minimum width 80 cm) for the cuffs, hem and neckline.

Can you sew a children’s sweatshirt pattern without an overlocker?

Yes. A tight zigzag stitch (length 1.5 / width 3) or your machine’s stretch stitch can be used instead of an overlocker to join the fleece. An overlocker speeds up the work but isn’t essential. Finish the seams with a zigzag stitch if you don’t have one.

What’s the difference between a zip-up hoodie pattern and a classic hoodie pattern for beginners?

The central zip requires you to stabilise the edge before threading the zip and sewing in a straight line for a length of 40 to 60 cm. It’s more technical than a simple ribbed neckline. For your first hoodie, start with a pattern without a zip and a round neckline.

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