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The Thistle Cardigan was designed for those in-between seasons—when you want something soft and comfortable but still pulled together. Inspired by vintage knitwear (hello, subtle Peter Pan collar) and modern everyday layering pieces, Thistle bridges the gap between sweatshirt ease and classic cardigan charm.
It’s the kind of piece that feels just as right worn open over a tee as it does buttoned up with tailored trousers. Comfortable, versatile, and endlessly wearable, Thistle brings knit sewing into that sweet spot of practical and polished.
The Thistle Cardigan is designed for effortless comfort and everyday polish. With its straight cut through the body and semi-fitted sleeves, Thistle strikes the perfect balance between relaxed and refined.
A soft flat lay Peter Pan collar adds a subtle vintage touch without feeling fussy, while the neckline is cleanly faced with a single-fold knit trim for a smooth, professional look. The fold-back placket creates a crisp center front, complete with classic 1" button closures for versatile styling.
Cuffs at the sleeves give the silhouette a neat shape, making Thistle an easy layer over tees, dresses, and blouses alike. Thistle is simple, satisfying to sew, endlessly wearable, and perfect for transitioning your wardrobe from winter into spring.
The Thistle Member Bonus transforms this classic cardigan into an easy pullover sweater. By omitting the center front button closure and adding a clean hem band, this version offers a streamlined, cozy silhouette while maintaining all the thoughtful details of the original design.
Janiah is wearing the Thistle cardigan in a size 0 from our 00–18 size range. We reduced the shoulder 1/2" and added 1/2" to the sleeve length. Her measurements are bust: 33" (83.82 cm), waist: 25 1/2" (64.8 cm), hip: 35 1/2" (90.2 cm), and she is 5'7" (170.25 cm) tall.
Tambrie is wearing the Thistle cardigan in a size 16 from our 12–30 size range. We reduced the bottom hem opening 1 1/2" and added 3/4" to the sleeve length. Her measurements are bust: 43 3/4" (111.1 cm), waist: 37" (94 cm), hip: 46" (116.8 cm), and she is 5'8" (172.7 cm) tall.
Fabric and Fit
Fabric recommendations
Thistle is designed for medium-weight knit fabrics with at least 20% stretch. Look for fabrics that offer enough structure to support the collar and placket while still feeling soft and comfortable against the body.
French terry and sweatshirt fleece create a casual, everyday cardigan with a cozy feel. Quilted knits add subtle texture and warmth, making Thistle feel almost jacket-like. Ponte and double knit lend a slightly more polished look with clean lines and beautiful recovery, while sweater knits give a softer drape and a classic knitwear aesthetic.
Avoid very lightweight or overly drapey knits, as they won’t support the collar or maintain the intended silhouette.
Fitting tips
Thistle’s straight cut, and knit fabric make it forgiving to fit and wear. Pay close attention to picking the correct size When fitting Thistle, shoulder slope and width plays a big role in how polished the finished piece feels. Adjusting the length of the body and sleeves will also help you achieve that perfectly intentionally relaxed look.
- Understanding ease will help you pick the right size or sizes. This tutorial will teach you all about design and wearing ease.
- Follow this tutorial to lengthen and shorten a sewing pattern.
- If you need to adjust the armhole depth, use this tutorial.
- If you want to blend between sizes, use this video tutorial.
- To adjust the shoulder slope, follow this tutorial.
- Here are fitting tutorials for the shoulders and sleeves.
- Here are tutorials for small bust adjustments and full bust adjustments.
