man | Base layers

Men's Base Layers

UYN men’s base layers combine functional architectures and high-performance yarns to manage heat, moisture and freedom of movement with technical precision. Designed as a first layer for dynamic activities and varied weather conditions, they offer stable thermoregulation, effective breathability and consistent comfort even during thermal transitions. A premium technical underwear range designed to support the body continuously, when performance and control must remain impeccable.
Ski base layers
Running base layers
Cycling base layers
Hiking base layers
Multisport base layers
  • Fusyon Biotech Zip Up Thermal Jersey Fusyon Biotech Zip Up Thermal Jersey

    Fusyon Biotech Zip Up Thermal Jersey

    man - Biotech Underwear Tops

    $245.00
    $0.00 $245.00
    Size: from S/M to XXL
  • Position+ Biotech 9 Inch Boxers Position+ Biotech 9 Inch Boxers

    Position+ Biotech 9 Inch Boxers

    man - Lightweight Bottoms

    $85.00
    $0.00 $85.00
    Size: from S/M to XXL
  • Position+ 3 Inch Boxers Position+ 3 Inch Boxers

    Position+ 3 Inch Boxers

    man - Lightweight Bottoms

    $65.00
    $0.00 $65.00
    Size: from S/M to XXL
  • Fusyon Biotech Turtleneck Thermal Jersey Fusyon Biotech Turtleneck Thermal Jersey

    Fusyon Biotech Turtleneck Thermal Jersey

    man - Biotech Underwear Tops

    $229.90
    $0.00 $229.90
    Size: from S/M to XXL
  • Energyon Base Layer Top Energyon Base Layer Top

    Energyon Base Layer Top

    man - Lightweight Undershirts

    $115.00
    $0.00 $115.00
    Size: from S/M to XXL
  • Motyon 2.0 Boxers with seat pad Motyon 2.0 Boxers with seat pad

    Motyon 2.0 Boxers with seat pad

    man - Lightweight Bottoms

    $120.00
    $0.00 $120.00
    Size: from S/M to XXL
  • Energyon Sleeveless Base Layer Energyon Sleeveless Base Layer

    Energyon Sleeveless Base Layer

    man - Lightweight Undershirts

    $59.00
    $0.00 $59.00
    Size: from S/M to XXL
  • Energyon Short-Sleeved Base Layer Top Energyon Short-Sleeved Base Layer Top

    Energyon Short-Sleeved Base Layer Top

    man - Lightweight Undershirts

    $79.00
    $0.00 $79.00
    Size: from S/M to XXL
  • Position+ Briefs Position+ Briefs

    Position+ Briefs

    man - Lightweight Bottoms

    $65.00
    $0.00 $65.00
    Size: from S/M to XXL
  • Position+ 9 Inch Boxers Position+ 9 Inch Boxers

    Position+ 9 Inch Boxers

    man - Lightweight Bottoms

    $80.00
    $0.00 $80.00
    Size: from S/M to XXL
  • Position+ 6 Inch Boxers Position+ 6 Inch Boxers

    Position+ 6 Inch Boxers

    man - Lightweight Bottoms

    $80.00
    $0.00 $80.00
    Size: from S/M to XXL
  • Position+ 6 Inch Boxers Position+ 6 Inch Boxers

    Position+ 6 Inch Boxers

    man - Lightweight Bottoms

    $80.00
    $0.00 $80.00
    Size: from S/M to XXL
  • Natyon 3.0 Germany Thermal Jersey Natyon 3.0 Germany Thermal Jersey
    UNISEX

    Natyon 3.0 Germany Thermal Jersey

    unisex - Winter Thermal Tops

    $199.00
    $0.00 $199.00
    Size: from XS to XXL
  • Energyon Short-Sleeved Base Layer Top Energyon Short-Sleeved Base Layer Top

    Energyon Short-Sleeved Base Layer Top

    man - Lightweight Undershirts

    $79.00
    $0.00 $79.00
    Size: from S/M to XXL
  • Natyon 3.0 Poland Thermal Jersey Natyon 3.0 Poland Thermal Jersey
    UNISEX

    Natyon 3.0 Poland Thermal Jersey

    unisex - Winter Thermal Tops

    $199.00
    $0.00 $199.00
    Size: from XS to XXL
  • Natyon 3.0 Russia Thermal Jersey Natyon 3.0 Russia Thermal Jersey
    UNISEX

    Natyon 3.0 Russia Thermal Jersey

    unisex - Winter Thermal Tops

    $199.00
    $0.00 $199.00
    Size: from XS to XXL
  • Natyon 3.0 Norway 3/4 Thermal Pants Natyon 3.0 Norway 3/4 Thermal Pants
    UNISEX

    Natyon 3.0 Norway 3/4 Thermal Pants

    man - Winter Thermal Bottoms

    $169.00
    $0.00 $169.00
    Size: from XS to XXL
  • Natyon 3.0 Poland 3/4 Thermal Pants Natyon 3.0 Poland 3/4 Thermal Pants
    UNISEX

    Natyon 3.0 Poland 3/4 Thermal Pants

    man - Winter Thermal Bottoms

    $169.00
    $0.00 $169.00
    Size: from XS to XXL
  • Natyon 3.0 Czech Republic 3/4 Thermal Pants Natyon 3.0 Czech Republic 3/4 Thermal Pants
    UNISEX

    Natyon 3.0 Czech Republic 3/4 Thermal Pants

    man - Winter Thermal Bottoms

    $169.00
    $0.00 $169.00
    Size: from XS to XXL
  • Natyon 3.0 Czech Republic Thermal Jersey Natyon 3.0 Czech Republic Thermal Jersey
    UNISEX

    Natyon 3.0 Czech Republic Thermal Jersey

    unisex - Winter Thermal Tops

    $199.00
    $0.00 $199.00
    Size: from XS to XXL
  • Natyon 3.0 Russia 3/4 Thermal Pants Natyon 3.0 Russia 3/4 Thermal Pants
    UNISEX

    Natyon 3.0 Russia 3/4 Thermal Pants

    unisex - Winter Thermal Bottoms

    $169.00
    $0.00 $169.00
    Size: from XS to XXL
  • Natyon 3.0 Spain 3/4 Thermal Pants Natyon 3.0 Spain 3/4 Thermal Pants
    UNISEX

    Natyon 3.0 Spain 3/4 Thermal Pants

    unisex - Winter Thermal Bottoms

    $169.00
    $0.00 $169.00
    Size: from XS to XXL
  • Natyon 3.0 Spain Thermal Jersey Natyon 3.0 Spain Thermal Jersey
    UNISEX

    Natyon 3.0 Spain Thermal Jersey

    unisex - Winter Thermal Tops

    $199.00
    $0.00 $199.00
    Size: from XS to XXL
  • Natyon 3.0 Slovenia 3/4 Thermal Pants Natyon 3.0 Slovenia 3/4 Thermal Pants
    UNISEX

    Natyon 3.0 Slovenia 3/4 Thermal Pants

    unisex - Winter Thermal Bottoms

    $169.00
    $0.00 $169.00
    Size: from XS to XXL
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