Short Sleeved Baby Sweaters in Sirdar Snuggly Baby Bamboo DK - 5486 - Downloadable PDF

Sirdar Snuggly Baby Bamboo DK Short Sleeved Baby Sweaters – Pattern 5486

This downloadable PDF knitting pattern from Sirdar (Design No. 5486) offers two charming short-sleeved baby sweater designs: a Round Neck T-Shirt and a Collared T-Shirt. Both styles are sized for babies from 0–3 months up to 18–24 months, making this a versatile pattern to revisit as little ones grow. The pattern is rated Easy and is available as a free downloadable PDF, making it an excellent choice for knitters who are confident with basic techniques but may not yet tackle complex construction.

About the Designs

Round Neck T-Shirt

The first design is a classic short-sleeved baby sweater featuring a neat round neckline. It is a beautifully simple garment with a clean, timeless silhouette that works equally well for boys and girls. The sample shown in the pattern is knitted in shade 081 Pink Linen of Sirdar Snuggly Baby Bamboo DK. The round neck opening is finished with a tidy neckband, and the sweater fastens at the back or shoulder with 2 buttons per garment, making dressing and undressing a baby much easier.

Collared T-Shirt

The second design features a collar for a slightly more structured, smart-casual look. It shares the same short sleeve length and overall construction as the round neck version but adds a knitted collar detail at the neckline for extra style. The sample is shown in shade 082 Duck Egg, a soft blue-green tone from the Sirdar Snuggly Baby Bamboo DK range. Like the round neck version, it uses 2 buttons for a practical back or shoulder opening.

Sizing and Measurements

Both designs are available in six sizes to suit babies and young toddlers throughout their first two years:

• 0–3 months: 42 cm chest, 25 cm full length
• 3–6 months: 46 cm chest, 27 cm full length
• 6–9 months: 50 cm chest, 30 cm full length
• 9–12 months: 52 cm chest, 32 cm full length
• 12–18 months: 54 cm chest, 34 cm full length
• 18–24 months: 56 cm chest, 36 cm full length

The short sleeve length is a consistent 3 cm (1¼ inches) across all sizes, giving both designs their characteristic lightweight, summer-friendly T-shirt appearance.

Construction Techniques

Both sweaters are worked using a bottom-up, worked flat construction method, meaning each piece — the front, back, and sleeves — is knitted separately as flat panels and then seamed together to finish. This is a traditional and highly approachable method for intermediate knitters, as it allows each section to be completed and checked before assembly. Seaming is typically done using mattress stitch or a similar joining technique to create neat, professional-looking seams on the finished garment.

Working flat on straight needles is ideal for knitters who prefer not to work in the round, and it also makes it straightforward to follow stitch pattern repeats row by row. The button bands and neckbands are picked up or worked as part of the flat construction, adding the practical fastening detail that makes these baby garments so easy to put on and take off.

Stitches Used

As an Easy-rated pattern, the stitches used are accessible and well within reach of an intermediate knitter:

• Knit and purl stitches – forming the main stocking stitch fabric of the sweater body and sleeves
• Rib stitch – used for the welts, cuffs, and neckband to create neat, stretchy edges that hold their shape
• Collar shaping – included in the Collared T-Shirt design, worked flat as an extension of the neckband