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    Improved Men's Pectorals & Chest Definition - MOSS v1.0
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    Recommended: Krea2 TextFusion Refusal-Reduction

    Lora that aims to allow bigger pectorals than base model allows, a less plastic flat look, Giving the pectorals improved definition and size but keeping within realism.

    Moss Image

    Same as Krea2: His chest size is ( )
    + New Ones:
    Flat Pectoral Muscles or Medium Pectoral Muscles or Large Pectoral Muscles
    Large: Large Pectoral Muscle. Big Pectoral Muscles.
    Bigger: humongous pectorals, ginormous pectorals.

    Chest Sizes Krea2 v2 Only:

    Flat Chest
    His chest size is (FLTMALECHST, MALECHEST-FLAT, FLATMALECHESTPECTORALSIZE),
    
    Average
    His chest size is (AVGMALECHST, MALECHEST-AVERAGE, AVERAGEMALECHESTPECTORALSIZE),
    
    Medium
    His Chest Size is (Medium Chest Pectorals, MEDMALECHST, MALECHEST-MEDIUM, MEDIUMMALECHESTPECTORALSIZE),
    His Chest Size is (Medium Perky Chest, MEDMALEPRKYCHST, MALECHEST-PERKYMEDIUM, MEDIUMPERKYMALECHESTPECTORALSIZE),
    Helper words: heavily developed pectoral muscles, thick rounded pecs
    
    Large
    His chest size is (Large Male Chest Pectorals, LARGEMALECHESTPECTORALSIZE, LRGMALECHST, MALECHEST-Large),
    His chest size is (Oversized, OVRSZDMLECHST, OVERSIZEDMALECHEST, OVERSIZEDMALECHESTPECTORALSIZE, extremely large pectorals, and deeply defined, broad shoulders),

    Chest Sizes Krea2 Only:

    FLATMALECHESTPECTORALSIZE01= Flat Chest
       Assistant Words (FLTMALECHST)
    SMALLMALECHESTPECTORALSIZE02= Small Chest
       Assistant Words (SMLLPRKYMALECHST)
    AVERAGEMALECHESTPECTORALSIZE03= Average Not notable size
       Assistant Words (AVGMALECHST)
    MEDIUMMALECHESTPECTORALSIZE04= Medium
       Assistant Words (MEDMALECHST, MEDMALEPRKYCHST, Medium chest size, heavily developed pectoral muscles, thick rounded pecs)
    LARGEMALECHESTPECTORALSIZE06= Large
       Assistant Words (LRGMALECHST, His pectorals are large and prominent, 47-60     Inch Chest, Wide and Thick Chest, Large Pectorals)
    OVERSIZEDMALECHESTPECTORALSIZE07= Very Large
       Assistant Words (OVRSZDMLECHST, extremely large pectorals, and deeply defined, broad shoulders)
    
    Definition of the lower Chest= The Line Under the Pecs (lower pectoral)
    CHESTLINECHISELED01= Chiseled Chest Line
    CHESTLINEUNDEFINED01= Not Defined Chest Line
    CHESTLINESEMIDEFINED01= Some Definition on the pectorals

    Chest Sizes ZIMAGE Mostly (Can work on Krea2):

    Flat Male Chest Pectorals.
    Average Male Chest Pectorals.
    Medium Male Chest Pectorals.
    Medium Perky Male Chest Pectorals.
    Large Male Chest, 47-60 Inch Chest, Wide and Thick Chest (v2 only)
    Oversized Male Chest Pectorals. (V1 only)

    Warning: Z-image Lora does not work well with 1024x1024

    Definition of Pecs (CHEST LINE UNDER PECS) ZIMAGE Mostly (Can work on Krea2):

    Undefined Pectorals= Not Defined Chest Line
    Defined Pectorals = Chiseled Chest Line
    Semi-Defined Pectorals= Some Definition on the pectorals
    

    Description

    Makes Images More Realistic

    FAQ

    LORA
    MOSS Image

    Details

    Downloads
    307
    Platform
    CivitAI
    Platform Status
    Available
    Created
    10/20/2026
    Updated
    11/5/2026
    Deleted
    -
    Trigger Words:
    Medium Pectoral Muscles.
    Large Pectoral Muscle. Big Pectoral Muscles.
    Oversized pectoral muscle size.
    His chest size is (AVGMALECHST, MALECHEST-AVERAGE, AVERAGEMALECHESTPECTORALSIZE),
    His Chest Size is (Medium Chest Pectorals, MEDMALECHST, MALECHEST-MEDIUM, MEDIUMMALECHESTPECTORALSIZE),
    His chest size is (Large Male Chest Pectorals, LARGEMALECHESTPECTORALSIZE, LRGMALECHST, MALECHEST-Large),
    His chest size is (Oversized, OVRSZDMLECHST, OVERSIZEDMALECHEST, OVERSIZEDMALECHESTPECTORALSIZE),
    humongous pectorals, ginormous pectorals.

    Files

    improved-chest-moss-v1.safetensors

    Mirrors