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Adult Base Layers and Undershirts

Our new adult baseball jerseys are perfect for wearing as a base layer, at practice, or for casual sandlot games. These jerseys offer a timeless, classic look that suits any playing style and setting. Available to purchase blank or with the option to add your team logo for a small fee, these jerseys are versatile and practical. With our commitment to outstanding customer service and a quick turnaround time, All Sports Uniforms ensures you’ll have high-quality gear when you need it most. Choose these new adult baseball jerseys for comfort, durability, and a style that reflects your passion for the game.

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  • Adult "Cooling Performance Victory" Baseball Jersey

    Adult "Cooling Performance Victory" Baseball Jersey

    N3142BAS
    RETAIL: $14.50
    OUR PRICE: $8.49
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK 5 Star micro poly interlock moisture control fabric Stain release for easy care Snag Resistant for durability 30+UPF for UV protection Odor Resistant Raglan Sleeve for increased mobility and better fit
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  • Adult "Cooling Performance Brilliance" Baseball Jersey

    Adult "Cooling Performance Brilliance" Baseball Jersey

    N2295BAS
    RETAIL: $14.75
    OUR PRICE: $9.49
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK 4 oz Micro poly interlock, 5-star fabric Superior moisture wicking for peak performance Ultra-tight knit for better opacity and printability Stain release and odor resistant for easy care Fade and snag...
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  • Adult "Cooling Performance Willpower" Baseball Jersey

    Adult "Cooling Performance Willpower" Baseball Jersey

    N3165BAS
    RETAIL: $15.75
    OUR PRICE: $10.49
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK 4 oz Micro poly interlock, 5-star fabric Superior moisture wicking for peak performance Ultra-tight knit for better opacity and printability Stain release and odor resistant for easy care Fade and snag...
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  • Adult "Big Bang" Raglan Baseball Jersey

    Adult "Big Bang" Raglan Baseball Jersey

    CBS24ABAS-BL
    RETAIL: $24.00
    OUR PRICE: $10.99
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK Cationic Z-Cloth, DRI-GEAR®, 100% polyester, interlock fabric Fabric has a silky smooth feel, is lightweight and snag resistant Side mesh inserts Raglan sleeves
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  • Adult "Vortex" Raglan Baseball Jersey

    Adult "Vortex" Raglan Baseball Jersey

    CBS25ABAS-BL
    RETAIL: $22.75
    OUR PRICE: $13.99
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK Cationic Z-Cloth, DRI-GEAR®, 100% polyester, interlock fabric Fabric has a silky smooth feel, is lightweight and snag resistant Crew neck with self collar Shirt tail bottom Side mesh inserts Raglan...
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  • Adult "Breaking Point" Compression Baseball Jersey

    Adult "Breaking Point" Compression Baseball Jersey

    N3130BAS
    RETAIL: $27.00
    WAS: $18.99
    NOW: $15.99
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK 80% Polyester/ 20% spandex knit Odor-resistant Moisture wicking Stain release 4-way stretch moisture management fabric All seams flat-lock stitched
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  • Adult "React" Compression Baseball Jersey

    Adult "React" Compression Baseball Jersey

    A2602BAS
    RETAIL: $32.25
    OUR PRICE: $20.99
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK 84% Polyester/ 16% spandex knit Odor-resistant Wicks moisture away from the body Ultra tight fit Pad print label 4-way stretch fabric allows for greater mobility and maintains shape Flatlock stitching...
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  • Adult "Armor" Compression Baseball Jersey

    Adult "Armor" Compression Baseball Jersey

    A2600BAS
    RETAIL: $33.75
    OUR PRICE: $21.99
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK 84% Polyester/ 16% spandex knit Odor-resistant Wicks moisture away from the body Ultra tight fit Pad print label 4-way stretch fabric allows for greater mobility and maintains shape Flatlock stitching...
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  • Adult "Ascent II" Half Sleeve Compression Baseball Jersey

    Adult "Ascent II" Half Sleeve Compression Baseball Jersey

    A2606-PRT-BAS
    RETAIL: $33.75
    OUR PRICE: $21.99
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK 84% Polyester/ 16% spandex knit Odor-resistant Wicks moisture away from the body Ultra tight fit Pad print label 4-way stretch fabric allows for greater mobility and maintains shape Flatlock stitching...
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  • Adult "Ascent" Half Sleeve Compression Baseball Jersey

    Adult "Ascent" Half Sleeve Compression Baseball Jersey

    A2606BAS
    RETAIL: $33.75
    OUR PRICE: $21.99
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK 84% Polyester/ 16% spandex knit Odor-resistant Wicks moisture away from the body Ultra tight fit Pad print label 4-way stretch fabric allows for greater mobility and maintains shape Flatlock stitching...
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  • Adult "Indestructible" Compression Baseball Jersey

    Adult "Indestructible" Compression Baseball Jersey

    A2604BAS
    RETAIL: $37.00
    OUR PRICE: $23.99
    NO DECORATION AVAILABLE. THIS ITEM MUST SHIP BLANK 84% Polyester/ 16% spandex knit Odor-resistant Wicks moisture away from the body Ultra tight fit Pad print label 4-way stretch fabric allows for greater mobility and maintains shape Flatlock stitching...
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  • Adult Under Armour "Long Sleeve Fuse" Baseball Shirt

    Adult Under Armour "Long Sleeve Fuse" Baseball Shirt

    UA1376843BAS
    RETAIL: $49.00
    OUR PRICE: $35.99
    The Adult Under Armour "Long Sleeve Fuse" Baseball Shirt is designed to serve as a base layer or undershirt, combining advanced fabric technology with a comfortable fit. Available at All Sports Uniforms, this shirt is perfect for athletes looking for...
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