Men's Polartec Alpha Core Thermal Cycling Base Layer - On Body Side View
Men's Polartec Alpha Core Thermal Cycling Base Layer - Waistband Detail
Men's Polartec Alpha Core Thermal Cycling Base Layer - On Body Back View
Men's Polartec Alpha Core Thermal Cycling Base Layer - On Body Close Up
Men's Polartec Alpha Core Thermal Cycling Base Layer - On Body Side View
Men's Polartec Alpha Core Thermal Cycling Base Layer - Waistband Detail
Men's Polartec Alpha Core Thermal Cycling Base Layer - On Body Back View
Men's Polartec Alpha Core Thermal Cycling Base Layer - On Body Close Up

Men's Alpha Core SL Base Layer

$70 $35 Save 50%
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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.

  • Free USA Returns + Exchanges
  • Free USA Shipping on $99+ orders
Polartec Alpha Direct Insulation
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.

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

Earth-Friendly Earth-Friendly Garment

The Alpha Core Base Layer is constructed with recycled lightweight and breathable fabric.

Our development team has made it their number-one goal to source premium, high-performance recycled fabrics to ultimately reduce our carbon footprint.

LEARN MORE ABOUT OUR SUSTAINABILITY EFFORTS

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