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The UMA GT Ultraz Winter Bib Tights are constructed with proven winterproof textiles to deliver unmatched levels of insulation, breathability, and weather resistance. We began with the same highly insulating brushed-back RX Heavy that’s used in our Winter Bib Tights, but added a second layer on the outside for added protection. For this twinDeck construction, we applied our NEOS Ultra textile—an ultrathin 2L softshell with PU bonded membrane that’s water-resistant and 100% windproof—to ensure this element-facing section of your legs and glutes remains protected from snow, rain, wind, and low temperatures. As with the Winter Bib Tights, RX Light makes up the backs of the legs for added breathability and comfort in this high-flex zone.

The fit of the Ultraz falls into our regularFit category, which means they’re lightly compressive with their double-layer design, but not as tight as our racingFit apparel. The fabric panels flex with each pedal stroke, as they’re both pre-shaped and sewn to fully wrap and support the upper leg muscles, knees, and calves while in motion. The insert is our proven UMA EVO, featuring 8mm of plush memory foam for dependable comfort on every ride.
RX Heavy: Applied to the skin-facing side of the legs, this brushed warp-knit fabric has been developed to provide exceptional comfort, wick moisture, add high levels of insulation, and remain extremely flexible. 290g/m2, ECO water-repellent, and odorControl.

NEOS Ultra: Added as a second layer along the leg panels, it’s a patented 2L windproof and highly breathable softshell constructed with a PU bonded membrane for added water-repellency. Weight: 190g/m2; Breathability: MVP 44,500g/m2/24h; Water Column: >10,000mm; Elasticity: 4-way stretch.

twinDeck: Double-layer fabric construction boosts insulation using a combination of NEOS Ultra and RX Heavy textiles.

RX Light: Lightweight, asymmetrical-stretch warp-knit fabric developed to provide light insulation and boost comfort on the backs of the knees. 205g/m2, ECO water-repellent, and odorControl.

UMA Winter Insert: The UMA elastic interface insert, evolved. New black colorway, and our proven 8mm of memory foam, this insert is nestled at the intersection between comfort and performance.

3D waffle: A patented, three-layer perforated foam that increases breathability and eliminates excess weight.

goldenGate: A patented technology that interrupts the stitching along both of the insert’s side panels, allowing a more three-dimensional freedom of movement in this sensitive, rotational area.

Y7 Frame Carrier Bib Tech: Wide, flexible bib straps converge at the upper back in a Y-shape design, resulting in a flat, stable structure that disappears between the shoulder blades.

Schnalle: A thin magnetic clasp situated below your chest that’s simple to fit and unclasp.

Stabilizator V3: Dorsal stabilizer in a solid mesh with limited vertical stretch. Includes UMA GT line graphics and climaCode.

Reflective Accents: Placed on the backs of the thighs for added visibility.

regularFit: Optimized for total comfort in the riding position, with a more relaxed cut than our second-skin racingFit.
  • JACKETS

    UMA GT Ultraz Winter Jacket EVO

    The Ultraz EVO is our warmest, most protective winter riding jacket to date. It’s constructed with a blend of our NEOS softshells and insulating RX fabrics to keep you as warm, dry, and shielded as possible in the most demanding weather out there.

  • BODY INSULATOR

    ASSOSOIRES Women’s Ultraz Winter LS Skin Layer

    Our Women’s Ultraz Winter LS Skin Layer brings maximum thermal protection and body-mapped comfort to your coldest rides, courtesy of our new wool-blend knit and seamless design.

  • SOCKS

    ASSOSOIRES Ultraz Winter Socks

    Our supportive medium-weight sock for the coldest, toughest winter conditions.

  • GLOVES

    ASSOSOIRES Ultraz Winter Gloves

    A double-layer construction and refined fit ensure maximum hand protection and insulation during winter’s harshest conditions.