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    Sister Katie

    Sister Katie is a New York-based women's ready-to-wear brand that offers comfortable and refined wardrobe essentials with a blend of California minimalism and 90s Greenwich Village influences, emphasizing sustainability and ethical production.

    Shop Sister Katie secondhand

    Sister Katie 100% Cashmere Sweater - Size Small
    $398$100
    Poshmark · Size S
    Sister Katie Diana Sweater Polo, Taupe
    $258$180
    Poshmark · Size M
    Sister Katie Sally Black Charcoal Gauzy Long Sleeve Button Up Tunic Top M
    $85
    Poshmark · Size M
    Sister Katie 100% Organic Cotton Button Front Maxi Marianne Dress Small
    $198$75
    Poshmark · Size S
    Sister Katie Cbk Cream Chunky Knit Button-Front Sweater Cardigan Size Small
    $150
    Poshmark · Size S
    Sister Katie 3/4 Sleeve Button Down Shirt: Green Tops - Size Medium
    $56.99
    ThredUp · Size Medium
    Sister Katie Black Ribbed Button-Front Women’s Sweater
    $220$50
    Poshmark · Size M
    Sister Katie Organic Cotton Gauze Cream Sally Button Front Shirt Xs
    $100$35
    Poshmark · Size Xs
    Sister Katie Organic Cotton Sally Blouse Navy Blue Gauze Size Xs
    $28
    Poshmark · Size Xs
    Knit Tan/Olive Green Jogger Pants
    $225$35
    Poshmark · Size L
    Sister Kate Ribbed Tank Top In Light Lavender
    $198$35
    Poshmark · Size M
    Sister Katie Women's M Gray 100% Alpaca Crew Sweater Preppy Heritage Academia
    $84
    Poshmark · Size M
    Sister Katie Crossbody Bag: Red Bags
    $90.99
    ThredUp · Size One Size
    Sister Katie Blue Sally Cotton Gauze Buttom Down TopNWOT
    $28
    Poshmark · Size Xs
    Sister Katie Sally Shirt In BlueNWOT
    $75
    Poshmark · Size Xs
    Sister Katie Jen Tank, Lilac Sm
    $65
    Poshmark · Size S
    Sister Katie The Elle Maxi Dress In Blue Stripe Size S
    $268$100
    Poshmark · Size S
    Sister Katie Organic Cotton Gauze Shorts
    $65
    Poshmark · Size Xs
    Sister Katie Astrid Pant
    $288$75
    Poshmark · Size S
    Soft Black Xs Organic Cotton Tee With Subtle Brand Tag
    $240$45
    Poshmark · Size 0
    Sister Katie The Gwyneth Pant In Chocolate Brown Size Large
    $198$100
    Poshmark · Size L
    Sister Katie - Brad Scarf In Stone
    $200$50
    Poshmark · Size Os
    Sister Katie Sage Light Green Muslin Pant Set Small Gauze Two Piece Outfit
    $125
    Poshmark · Size S
    Sister Katie Cameran Pants In Alpaca Merino Wool Xs
    $278$85
    Poshmark · Size Xs
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