Castelli Flanders Warm Long Sleeve Base Layer Black Men's

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  • $89.90
  • Regular price $149.90
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Warm, insulating, comfortable and durable, the Castelli Flanders Warm Long Sleeve Base Layer uses a SottoZero Fleece multi-denier, lightweight, 100% polyester fabric. Comfort is provided by flat-lock stitching and a flat hem that is long enough to be tucked into the shorts or tights. A mesh construction under the armpits improves breathability and the grey design with signature Castelli graphics looks great whatever you are wearing over it.


A base layer for the coldest of winter days. With a temperature range of between -5° and 8°C you are sure to stay comfortable and warm no matter the conditions. Simple yet effective, drying fast, wicking moisture away. This is the ideal undergarment to be worn under just a single jersey or jacket depending on the temperature.



SottoZero Fleece multi-denier 100% polyester fabric provides excellent insulation

Flat-lock stitching enhances comfort and fit

Mesh armpit insert for added breathability

Flat hem and generous length allows the baselayer to be tucked into shorts or tights

Castelli graphics and grey colour

Weight: 116 grams (size medium)

Temperature range: -5-8°C, 23-46°F

*Subject to availability. Specifications subject to change without notice.