Tween PDF Pattern Master List Undies

Here are some great tween sized patterns for bras, camis, undies & more! This page is updated frequently, so check back often! Some patterns contain affiliate links.

Tween PDF Pattern MasterList | Undies & More


Classic Briefs & Boxer Briefs* from PAB, 12 months 12 years

Classic Beiefs & Boxer Briefs from PAB | Tween PDF Pattern MasterList

Staple pattern for boys boxers and briefs with faux or functional fly. No elastic needed.

Vitality Tank & Sports Bra by Peekaboo Patterns, women’s size XXS-XXXL

Racerback tank with optional built in bra, and sports bra pattern. Performance wear knits are suggested.

Big Girl Briefs by Serger Pepper, size 3-14

Big Girl Briefs pattern from Serger Pepper

Professional crotch technique with no open or exposed seams. Pattern has high rise or mid-rise variation with options for banded or folde-over elastic waist and legs.


Boys Walbrook Boxer Briefs* from Greenstyle, 2-14 years

Boys Walbrook Boxer Briefs from Greenstyle | Top 12 Kids Underwear Patterns

Greenstyle Creations Has boys undies with functional or faux fly, briefs, or boxer briefs with 2 length options.

Classic Panties & Camisole* from PAB, 12 months-12 years

Classic Panties & Camisole from PAB | Tween PDF Pattern MasterList

Girls panties cami top feature knit bindings instead of elastic. 

Knit Hipster or Bikini Briefs from MonkeysBug Patterns, size 2-12

Knit Hipster or Bikini Brief from MonkeysBug Patterns | Tween PDF PatternList

Hipsters or briefs with banded waist and leg openings. Also suitable for fold-over elastic.

Shoreline Tank & Basic Brief Bottoms by Jocole, nb-14 years + 18″ doll


Shoreline Tank & Basic Briefs pattern from Jocole | Tween PDF PatternList

Comfy tank with ruffles variation, and encased elastic waist and leg openings. 


Pirates Booty Boxer Briefs by PatternsForPirates 12 mos-14

Pirates Booty Boxer Briefs Pattern | Tween PDF Pattern MasterList

Variations for exposed elastic or knit waistband, with banded leg openings. Functional or faux fly with a “no exposed seams” option.

Jalie 3247 Crop Tops & Gym Shorts, 24 sizes

Jalie 3247, Crop Tops & Gym Shorts | Tween PDF Pattern MasterList

Gym shorts, crop tops, boy cut panties, and racerback sports bra. Dance patterns tend to work wonderfully for undergarments, especially if you use fabric with a bit of Lycra content. 

Jalie 3242, Underwear for Men, Women, & Children,29 sizes

Jalie 3242, Underwear for Men, Women, & Children | Tween PDF Pattern MasterList


Girls and women’s classic panties, boys and men’s briefs or boxer briefs. Sports bra variations.


Jalie 2326, Men & Boys Boxer Briefs with 23 sizes

Jalie 2326, Men & Boys Boxer Shorts | Tween PDF Pattern MasterList

Boxers with sizes to fit the whole family, tweens included.


Jalie 2563, Sports Bra & Short Tights with 27 sizes

Jalie 2563 , sports bra & shirt tights | Tween PDF Pattern MasterList

Here’s a sports bra pattern, with color blocking option, racerback or traditional, and elastic strap variation.

About The Author

Amy Mayen

Hello. I'm Amy and I'm addicted to sewing. I borderline-hoard fabric, buttons, & patterns. Sometimes I wish I could pile my fabric up on the floor and just roll in it!

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