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Sunday Siblings is designed on the Mornington Peninsula, Victoria, by three mamas setting out to make cool, fun and comfortable clothing for our little loves. Sunday Siblings is creating high quality, durable and stylish pieces with the intention to be passed down to other babes. Whether that is to siblings or to friends.

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12 products

Sunday Siblings - Dusty Star Pants ChocolateSunday Siblings - Dusty Star Pants Chocolate
SUNDAY SIBLINGS
Sunday Siblings - Dusty Star Pants Chocolate Sale price$65.00
Sunday Siblings - Cosmo ShortsSunday Siblings - Cosmo Shorts
SUNDAY SIBLINGS
Sunday Siblings - Cosmo Shorts Sale price$49.00
Sunday Siblings - Lunar Dress Red/PinkSunday Siblings - Lunar Dress Red/Pink
SUNDAY SIBLINGS
Sunday Siblings - Lunar Dress Red/Pink Sale price$59.00
Sunday Siblings - Racer Windbreaker BlueSunday Siblings - Racer Windbreaker Blue
SUNDAY SIBLINGS
Sunday Siblings - Racer Windbreaker Blue Sale price$79.00
Sunday Siblings - Rocket Tee PinkSunday Siblings - Rocket Tee Pink
SUNDAY SIBLINGS
Sunday Siblings - Rocket Tee Pink Sale price$55.00
Sunday Siblings - Rocket Tee BlueSunday Siblings - Rocket Tee Blue
SUNDAY SIBLINGS
Sunday Siblings - Rocket Tee Blue Sale price$55.00
Two young children stand indoors. One wears SUNDAY SIBLINGS PRE-ORDER Sunday Siblings - Holiday Pants Blue/Mustard Stars, while the other sports a purple checkered sweater and cotton pants. A white speckled chair is partly visible in the foreground.A young child with long blonde hair wears a light pink "Lucky Cat" tee and SUNDAY SIBLINGS PRE-ORDER Sunday Siblings - Holiday Pants Blue/Mustard Stars, standing by a speckled white chair against a plain white wall and concrete floor.
SUNDAY SIBLINGS
Sunday Siblings - Holiday Pants Blue/Mustard Stars - Size 1-2 Sale price$54.00
A young child wearing the SUNDAY SIBLINGS Fruit Loop Sweater Pink—an oversized light pink french terry cotton sweatshirt with a tomato and heart graphic—stands smiling by a red chair, surrounded by red and pink decorations and drawers.A young child in the SUNDAY SIBLINGS Sunday Siblings - Fruit Loop Sweater Pink, featuring a heart and tomato design, pairs it with cream tomato-print pants and a pink beanie, standing by a red stool against Jackie Green’s colorful backdrop with red cabinets.
SUNDAY SIBLINGS
Sunday Siblings - Fruit Loop Sweater Pink - Size 5-6 Sale price$68.00
A young child wears the SUNDAY SIBLINGS Fruit Loop Sweater Grey Marle, an oversized French terry cotton sweatshirt with an orange fruit print, standing on a colorful rug in an art studio with vibrant artwork and red drawers behind.A young child with wavy blond hair wears an orange knit beanie and the SUNDAY SIBLINGS Fruit Loop Sweater Grey Marle, which features a tomato with a heart. The child stands indoors against a colorful, pink-themed background.
SUNDAY SIBLINGS
Sunday Siblings - Fruit Loop Sweater Grey Marle Sale price$68.00
A toddler models the PRE-ORDER Sunday Siblings - Art Club Knit sweater by SUNDAY SIBLINGS, paired with a cream knit beanie, red sneakers, and patterned white pants, standing indoors against a pastel painted backdrop.A young child stands indoors in the SUNDAY SIBLINGS Sunday Siblings - Art Club Knit sweater, white pants with red fruit prints, and red shoes, surrounded by abstract pastel artworks.
SUNDAY SIBLINGS
Sunday Siblings - Art Club Knit - Size 3-4 Sale price$55.00 Regular price$68.00
A young child with tied-up hair stands on a tree stump outdoors, wearing the Sunday Siblings - Catch'n Bunnies Tee Yellow by SUNDAY SIBLINGS and blue star-patterned pants, surrounded by green plants and trees.A child stands outdoors holding a green fruit, wearing the SUNDAY SIBLINGS Catch'n Bunnies Tee in yellow and beige pants with blue stars. They pair this with white sneakers amidst grass, flowers, and a circular planter.
SUNDAY SIBLINGS
Sunday Siblings - Catch'n Bunnies Tee Yellow - Size 1 Sale price$35.00 Regular price$49.00
Sold outA young child with curly hair stands in a garden, wearing an oversized 100% cotton Sunday Siblings - Catch'n Bunnies Tee in pink. The beige T-shirt is adorned with playful illustrations and paired with pink pants and a beaded bracelet, surrounded by lush green plants.A young curly-haired blonde child stands on grass, holding a peach. They wear a SUNDAY SIBLINGS Catch'n Bunnies Tee in pink, bright pink pants, brown shoes, and a colorful bracelet. Flowers add vibrancy to the background.
SUNDAY SIBLINGS
Sunday Siblings - Catch'n Bunnies Tee Pink - Size 5 Sale price$35.00 Regular price$49.00

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