I think they should be for boys but my daughter loves these shirts. They are light and comfortable for her. If you are buying for a girl I would buy one size smaller than you usually buy.
Kid Nation Kids' Tagless Long Sleeve V π Neck T-Shirts 4-12 Years - 2 Packs and 3 Packs
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Van Heusen Sleeve Dress Poplin
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Funny Guy Mugs Tearaway Sweatpants: Playful Boys' Clothing for Fun and Active Days
49 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
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π Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
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Waterproof Cozy-Dry Rain/Snow Pants for π§ Kids by JAN & JUL, with Fleece Lining
64 Review