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30 Items
Seattle Mariners New Era Infant My First 9FIFTY Adjustable Hat - Navy
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Seattle Mariners Newborn & Infant Everyday Fan Three-Pack Bodysuit Set - Navy/Aqua/Gray
Sale: $23.99Regular: $29.99You Save: $6.00

Seattle Mariners Newborn & Infant Everyday Fan Three-Pack Bodysuit Set - Navy/Aqua/Gray

Best Seller in Kids
Seattle Mariners Majestic Newborn & Infant Cool Base Romper Jersey - White
Sale: $27.99Regular: $34.99You Save: $7.00

Seattle Mariners Majestic Newborn & Infant Cool Base Romper Jersey - White

Best Seller in Jerseys
Seattle Mariners Infant 2-Pack Pacifiers
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Sale: $7.99Regular: $9.99You Save: $2.00

Seattle Mariners Infant 2-Pack Pacifiers

Seattle Mariners WinCraft Infant Lil Fan All Pro Baby Bib
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Sale: $7.99Regular: $9.99You Save: $2.00

Seattle Mariners WinCraft Infant Lil Fan All Pro Baby Bib

Seattle Mariners Infant 3-Pack Pacifier Clip Set
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Sale: $11.99Regular: $14.99You Save: $3.00

Seattle Mariners Infant 3-Pack Pacifier Clip Set

Seattle Mariners Infant Primary Logo T-Shirt - Navy
Sale: $11.99Regular: $14.99You Save: $3.00

Seattle Mariners Infant Primary Logo T-Shirt - Navy

Seattle Mariners Infant Personalized Blanket - Navy
Sale: $31.99Regular: $39.99You Save: $8.00

Seattle Mariners Infant Personalized Blanket - Navy

Seattle Mariners Infant Team Primary Logo T-Shirt - Navy
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Sale: $14.39Regular: $17.99You Save: $3.60

Seattle Mariners Infant Team Primary Logo T-Shirt - Navy

Seattle Mariners Infant Everyday Fan Three-Pack Bodysuit Set - Navy/Aqua/Gray
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Seattle Mariners WinCraft Infant Hall Of Fame All-Pro Bib
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Sale: $7.99Regular: $9.99You Save: $2.00

Seattle Mariners WinCraft Infant Hall Of Fame All-Pro Bib

Seattle Mariners Newborn Baseball Star Two-Pack Bodysuit Set - Royal/Yellow
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Seattle Mariners Newborn & Infant Personalized Bib - White
Sale: $18.39Regular: $22.99You Save: $4.60

Seattle Mariners Newborn & Infant Personalized Bib - White

Seattle Mariners 9oz. Baby Bottle
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Sale: $9.59Regular: $11.99You Save: $2.40

Seattle Mariners 9oz. Baby Bottle

Seattle Mariners Personalized Baby Blanket - White
Sale: $31.99Regular: $39.99You Save: $8.00

Seattle Mariners Personalized Baby Blanket - White

Seattle Mariners Personalized Plush Baby Baseball - White
Sale: $38.39Regular: $47.99You Save: $9.60

Seattle Mariners Personalized Plush Baby Baseball - White

Seattle Mariners Infant Personalized Bib - Navy
Sale: $18.39Regular: $22.99You Save: $4.60

Seattle Mariners Infant Personalized Bib - Navy

Seattle Mariners Personalized Small Gift Basket - White
Sale: $55.99Regular: $69.99You Save: $14.00

Seattle Mariners Personalized Small Gift Basket - White

Seattle Mariners Children's Personalized Rocking Chair - Navy
Sale: $71.99Regular: $89.99You Save: $18.00

Seattle Mariners Children's Personalized Rocking Chair - Navy

Youth Baby Seattle Mariners Jerseys, T-shirts, Hats

Find the perfect fit for the upcoming 2019 season and shop at Lids for the latest kids Baby Seattle Mariners jerseys and apparel. Lids has the best selection of Baby Seattle Mariners youth T-shirts, hats, hoodies, jackets and more. Ensure your youngsters have the perfect Baby Seattle Mariners outfits for gameday. Little ladies can show off their peppy fandom with Baby Seattle Mariners cheerleader sets and cute tops, while boys can browse from a variety of hats, tees, and Baby Seattle Mariners youth jerseys. Lids even has Baby Seattle Mariners gear for the littlest fan, Baby Seattle Mariners bodysuits, tees, caps, and more for the newborns in your life. Visit Lids this season for all Baby Seattle Mariners youth apparel.