Women's Polartec Alpha Core Thermal Cycling Base Layer - On Body Side View
Women's Polartec Alpha Core Thermal Cycling Base Layer - On Body Back View
Women's Polartec Alpha Core Thermal Cycling Base Layer - Fabric Detail
Women's Polartec Alpha Core Thermal Cycling Base Layer - Side View

Women's Alpha Core SL Base Layer

Regular price$70
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Stay warm in cold weather with the Alpha Core SL Base Layer. Designed for chilly conditions, this base layer features Polartec Alpha-Direct insulation for exceptional warmth and wet-weather resistance. It combines strategically placed, breathable, recycled fabric in the front and back panels with continental mesh on the sides and lower front/back for added stretch and breathability.

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The Alpha Core SL Base Layer stands out for its exceptional warmth-to-weight ratio and its ability to resist wet weather. It's crafted with Polartec Alpha-Direct insulation, which retains warmth even when wet. This breathable, recycled fabric is strategically placed in three-quarters of the front and back panels to ensure core insulation.

Continental mesh is incorporated in the side panels and the bottom quarter of the front and back, providing added stretch and breathability. To complete the design, elastic-bound neck and arm-holes offer a comfortable and flexible fit.

•Polartec Alpha-Direct insulation is recycled, warm, breathable, quick-dry and able to maintain it’s insulative properties when wet.
•Alpha-Direct is used in three-quarters of the front and back panels for targeted core insulation.
•Continental mesh is recycled, super light, stretchy and wicking.
•This mesh is used in the side panels and bottom quarter of the front and back panels to provide extra stretch and breathability to the base layer.
•Elastic-bound neck and arm-holes are soft and stretchy.

This product is comprised of two fabrics, the primary being Polartec Alpha-Direct insulation in critical areas, completed with our recycled Continental Mesh that is soft, stretchy and super breathable. We intentionally designed this piece as a sleeveless base layer to maximize it’s versatility. The core, your chest and back are comprised of primarily Alpha Direct insulation to provide an incredible amount of warmth where needed while leaving the rest of the garment breathable and lightweight.  

This garment can be used as a stand-alone base layer under any number of jerseys from our lightweight Summer jerseys paired with a lightweight vest of jacket for chilly morning rides, or worn under our Alpine or Storm+ Thermal LS Jerseys for an added boost of warmth. The sleeveless nature allows you to keep your core warm while allowing more ventilation and breathability in your arms. The Alpha Core SL Baselayer can even be worn on top of a SS or LS baselayer such as our Transfer C or Thermoregulator for a boost of warmth for the coldest rides.  

Pairs well with

ALPHA® DIRECT INSULATION

By refining the shape and size of its lofted fibers, Alpha®Direct can be in direct contact with skin or other fabric layers. This new design ability increases breathable performance, expands versatile style options, and further reduces overall garment weight.

Polartec Alpha Direct Insulation

Layer for Maximum protection

Cold weather is probably the most common reason why cyclists opt to include a base layer. It provides an extra layer of insulation and pulls sweat from your skin, which will keep you dryer and warmer. That extra layer will also help hold warmth near the body.

Polartec Alpha Direct Cycling Base Layer - Fabric Detail

Stay Warm

Polartec Alpha-Direct insulation is recycled, warm, breathable, quick-dry and able to maintain it’s insulative properties when wet.

Polartec Alpha Direct Cycling Base Layer - Breathable Side Panels

Breathable

This mesh is used in the side panels and bottom quarter of the front and back panels to provide extra stretch and breathability to the base layer.

Polartec Alpha Direct Cycling Base Layer - Recycled Fabric

Recycled & Stretchy

Continental mesh is recycled, super light, stretchy and wicking. Elastic-bound neck and arm-holes are soft and stretchy.

ABOUT ALPHA® DIRECT TECHNOLOGY

Polartec® Alpha® Direct active insulation continuously releases excess body heat before it builds to cause saturation and discomfort.

Polartec Alpha Direct Insulation

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