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

    CHF 119.00
    CHF 0.00 CHF 119.00
    Size: from XS to XXL
  • Natyon Biomorph 3/4 Thermal Pants Natyon Biomorph 3/4 Thermal Pants
    UNISEX

    Natyon Biomorph 3/4 Thermal Pants

    unisex - Biotech Underwear Bottoms

    CHF 119.00
    CHF 0.00 CHF 119.00
    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

    CHF 139.00
    CHF 0.00 CHF 139.00
    Size: from XS to XXL
  • Fusyon Biotech Thermal Jersey Fusyon Biotech Thermal Jersey

    Fusyon Biotech Thermal Jersey

    man - Biotech Underwear Tops

    CHF 145.00
    CHF 0.00 CHF 145.00
    Size: from S/M to XXL
  • Energyon Biotech T-shirt Energyon Biotech T-shirt

    Energyon Biotech T-shirt

    man - Lightweight Undershirts

    CHF 79.00
    CHF 0.00 CHF 79.00
    Size: from S/M to XXL
  • Fusyon Biotech Thermal Pants Fusyon Biotech Thermal Pants

    Fusyon Biotech Thermal Pants

    man - Biotech Underwear Bottoms

    CHF 125.00
    CHF 0.00 CHF 125.00
    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

    CHF 139.00
    CHF 0.00 CHF 139.00
    Size: from S/M to XXL
  • Evolutyon+ Thermal Jersey Evolutyon+ Thermal Jersey

    Evolutyon+ Thermal Jersey

    man - Mid-Season Thermal Tops

    CHF 89.00
    CHF 0.00 CHF 89.00
    Size: from S/M to XXL
  • Evolutyon+ Turtleneck Thermal Jersey Evolutyon+ Turtleneck Thermal Jersey

    Evolutyon+ Turtleneck Thermal Jersey

    man - Mid-Season Thermal Tops

    CHF 99.00
    CHF 0.00 CHF 99.00
    Size: from S/M to XXL
  • Energyon Base Layer Top Energyon Base Layer Top

    Energyon Base Layer Top

    man - Lightweight Undershirts

    CHF 89.00
    CHF 0.00 CHF 89.00
    Size: from S/M to XXL
  • Cashmere Biotech Thermal Jersey Cashmere Biotech Thermal Jersey

    Cashmere Biotech Thermal Jersey

    man - Winter Thermal Tops

    CHF 189.00
    CHF 0.00 CHF 189.00
    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

    CHF 119.00
    CHF 0.00 CHF 119.00
    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

    CHF 159.00
    CHF 0.00 CHF 159.00
    Size: from S/M to XXL
  • Evolutyon+ Thermal Pants Evolutyon+ Thermal Pants

    Evolutyon+ Thermal Pants

    man - Mid-Season Thermal Bottoms

    CHF 79.00
    CHF 0.00 CHF 79.00
    Size: from S/M to XXL
  • Position+ Biotech 6 Inch Boxers Position+ Biotech 6 Inch Boxers

    Position+ Biotech 6 Inch Boxers

    man - Lightweight Bottoms

    CHF 59.00
    CHF 0.00 CHF 59.00
    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

    CHF 125.00
    CHF 0.00 CHF 125.00
    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

    CHF 125.00
    CHF 0.00 CHF 125.00
    Size: from XS to XXL
  • Energyon Sleeveless Base Layer Energyon Sleeveless Base Layer

    Energyon Sleeveless Base Layer

    man - Lightweight Undershirts

    CHF 64.00
    CHF 0.00 CHF 64.00
    Size: from S/M to XXL
  • Cashmere Biotech Thermal Pants Cashmere Biotech Thermal Pants

    Cashmere Biotech Thermal Pants

    man - Biotech Underwear Bottoms

    CHF 169.00
    CHF 0.00 CHF 169.00
    Size: from S/M to XXL
  • Evolutyon Biotech Melange T-shirt Evolutyon Biotech Melange T-shirt

    Evolutyon Biotech Melange T-shirt

    man - Lightweight Undershirts

    CHF 109.00
    CHF 0.00 CHF 109.00
    Size: from S/M to XXL
  • Evolutyon+ Turtleneck Thermal Jersey Evolutyon+ Turtleneck Thermal Jersey

    Evolutyon+ Turtleneck Thermal Jersey

    man - Mid-Season Thermal Tops

    CHF 99.00
    CHF 0.00 CHF 99.00
    Size: from S/M to XXL
  • Position+ Biotech 3 Inch Boxers Position+ Biotech 3 Inch Boxers

    Position+ Biotech 3 Inch Boxers

    man - Lightweight Bottoms

    CHF 54.00
    CHF 0.00 CHF 54.00
    Size: from S/M to XXL
  • Position+ Briefs Position+ Briefs

    Position+ Briefs

    man - Lightweight Bottoms

    CHF 49.00
    CHF 0.00 CHF 49.00
    Size: from S/M to XXL
  • Position+ 9 Inch Boxers Position+ 9 Inch Boxers

    Position+ 9 Inch Boxers

    man - Lightweight Bottoms

    CHF 59.00
    CHF 0.00 CHF 59.00
    Size: from S/M to XXL
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