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 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
  • Good Day Evolutyon Biotech Thermal Jersey Good Day Evolutyon Biotech Thermal Jersey

    Good Day Evolutyon Biotech Thermal Jersey

    unisex - Biotech Underwear Tops

    CHF 119.00
    CHF 0.00 CHF 119.00
    Size: from XS to L/XL
  • Ambityon Defender Thermal Jersey Ambityon Defender Thermal Jersey

    Ambityon Defender Thermal Jersey

    man - Winter Thermal Tops

    CHF 140.00
    CHF 0.00 CHF 140.00
    Size: from S/M to XXL
  • Evolutyon Xtreme Thermal Pants Evolutyon Xtreme Thermal Pants

    Evolutyon Xtreme Thermal Pants

    man - Winter Thermal Bottoms

    CHF 70.00
    CHF 0.00 CHF 70.00
    Size: from S/M to XXL
  • Motyon Xtreme Boxers Motyon Xtreme Boxers

    Motyon Xtreme Boxers

    man - Lightweight Bottoms

    CHF 33.00
    CHF 0.00 CHF 33.00
    Size: from S/M to XXL
  • Motyon Xtreme Thermal Jersey Motyon Xtreme Thermal Jersey

    Motyon Xtreme Thermal Jersey

    man - Lightweight Undershirts

    CHF 70.00
    CHF 0.00 CHF 70.00
    Size: from S/M to XXL
  • Evolutyon Xtreme Thermal Pants Evolutyon Xtreme Thermal Pants

    Evolutyon Xtreme Thermal Pants

    man - Winter Thermal Bottoms

    CHF 70.00
    CHF 0.00 CHF 70.00
    Size: from S/M to XXL
  • Motyon Xtreme Thermal Jersey Motyon Xtreme Thermal Jersey

    Motyon Xtreme Thermal Jersey

    man - Lightweight Undershirts

    CHF 70.00
    CHF 0.00 CHF 70.00
    Size: from S/M to XXL
  • Motyon Xtreme Thermal Jersey Motyon Xtreme Thermal Jersey

    Motyon Xtreme Thermal Jersey

    man - Lightweight Undershirts

    CHF 70.00
    CHF 0.00 CHF 70.00
    Size: from S/M to XXL
  • Evolutyon Xtreme Thermal Pants Evolutyon Xtreme Thermal Pants

    Evolutyon Xtreme Thermal Pants

    man - Winter Thermal Bottoms

    CHF 70.00
    CHF 0.00 CHF 70.00
    Size: from S/M to XXL
  • Evolutyon Xtreme Regular Thermal Jersey

    Evolutyon Xtreme Regular Thermal Jersey

    man - Winter Thermal Tops

    CHF 85.00
    CHF 0.00 CHF 85.00
    Size: from S/M to XXL
  • Evolutyon Xtreme Thermal Pants Evolutyon Xtreme Thermal Pants

    Evolutyon Xtreme Thermal Pants

    man - Winter Thermal Bottoms

    CHF 70.00
    CHF 0.00 CHF 70.00
    Size: from S/M to XXL
  • Motyon Xtreme Boxers Motyon Xtreme Boxers

    Motyon Xtreme Boxers

    man - Lightweight Bottoms

    CHF 33.00
    CHF 0.00 CHF 33.00
    Size: from S/M 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
  • 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
  • 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
  • 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
  • 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
  • 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
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