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
  • Natyon Biomorph 3/4 Thermal Pants Natyon Biomorph 3/4 Thermal Pants
    UNISEX

    Natyon Biomorph 3/4 Thermal Pants

    unisex - Biotech Underwear Bottoms

    $159.00
    $0.00 $159.00
    Size: from XS to XXL
  • Natyon Biomorph Turtleneck Thermal Jersey Natyon Biomorph Turtleneck Thermal Jersey
    UNISEX

    Natyon Biomorph Turtleneck Thermal Jersey

    unisex - Biotech Underwear Tops

    $209.00
    $0.00 $209.00
    Size: from XS to XXL
  • Fusyon Biotech Thermal Jersey Fusyon Biotech Thermal Jersey

    Fusyon Biotech Thermal Jersey

    man - Biotech Underwear Tops

    $219.00
    $0.00 $219.00
    Size: from S/M to XXL
  • Energyon Biotech T-shirt Energyon Biotech T-shirt

    Energyon Biotech T-shirt

    man - Lightweight Undershirts

    $109.00
    $0.00 $109.00
    Size: from S/M to XXL
  • Fusyon Biotech Thermal Pants Fusyon Biotech Thermal Pants

    Fusyon Biotech Thermal Pants

    man - Biotech Underwear Bottoms

    $169.00
    $0.00 $169.00
    Size: from S/M to XXL
  • Elevatyon Biomorph Turtleneck Thermal Jersey Elevatyon Biomorph Turtleneck Thermal Jersey

    Elevatyon Biomorph Turtleneck Thermal Jersey

    man - Biotech Underwear Tops

    $209.00
    $0.00 $209.00
    Size: from S/M to XXL
  • Evolutyon+ Thermal Jersey Evolutyon+ Thermal Jersey

    Evolutyon+ Thermal Jersey

    man - Mid-Season Thermal Tops

    $135.00
    $0.00 $135.00
    Size: from S/M to XXL
  • Evolutyon+ Turtleneck Thermal Jersey Evolutyon+ Turtleneck Thermal Jersey

    Evolutyon+ Turtleneck Thermal Jersey

    man - Mid-Season Thermal Tops

    $155.00
    $0.00 $155.00
    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
  • Cashmere Biotech Thermal Jersey Cashmere Biotech Thermal Jersey

    Cashmere Biotech Thermal Jersey

    man - Winter Thermal Tops

    $299.00
    $0.00 $299.00
    Size: from S/M to XXL
  • Fusyon Biotech 3/4 Thermal Pants Fusyon Biotech 3/4 Thermal Pants

    Fusyon Biotech 3/4 Thermal Pants

    man - Biotech Underwear Bottoms

    $155.00
    $0.00 $155.00
    Size: from S/M to XXL
  • Cashmere Biotech 3/4 Thermal Pants Cashmere Biotech 3/4 Thermal Pants

    Cashmere Biotech 3/4 Thermal Pants

    man - Winter Thermal Bottoms

    $220.00
    $0.00 $220.00
    Size: from S/M to XXL
  • Evolutyon+ Thermal Pants Evolutyon+ Thermal Pants

    Evolutyon+ Thermal Pants

    man - Mid-Season Thermal Bottoms

    $110.00
    $0.00 $110.00
    Size: from S/M to XXL
  • Position+ Biotech 6 Inch Boxers Position+ Biotech 6 Inch Boxers

    Position+ Biotech 6 Inch Boxers

    man - Lightweight Bottoms

    $80.00
    $0.00 $80.00
    Size: from S/M to XXL
  • Natyon 3.0 Slovakia 3/4 Thermal Pants Natyon 3.0 Slovakia 3/4 Thermal Pants
    UNISEX

    Natyon 3.0 Slovakia 3/4 Thermal Pants

    man - Winter Thermal Bottoms

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

    Natyon 3.0 Germany 3/4 Thermal Pants

    unisex - Winter Thermal Bottoms

    $169.00
    $0.00 $169.00
    Size: from XS 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
  • Cashmere Biotech Thermal Pants Cashmere Biotech Thermal Pants

    Cashmere Biotech Thermal Pants

    man - Biotech Underwear Bottoms

    $265.00
    $0.00 $265.00
    Size: from S/M to XXL
  • Evolutyon Biotech Melange T-shirt Evolutyon Biotech Melange T-shirt

    Evolutyon Biotech Melange T-shirt

    man - Lightweight Undershirts

    $149.99
    $0.00 $149.99
    Size: from S/M to XXL
  • Evolutyon+ Turtleneck Thermal Jersey Evolutyon+ Turtleneck Thermal Jersey

    Evolutyon+ Turtleneck Thermal Jersey

    man - Mid-Season Thermal Tops

    $155.00
    $0.00 $155.00
    Size: from S/M to XXL
  • Position+ Biotech 3 Inch Boxers Position+ Biotech 3 Inch Boxers

    Position+ Biotech 3 Inch Boxers

    man - Lightweight Bottoms

    $75.00
    $0.00 $75.00
    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+ 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
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