Castelli Core Seamless base layer

Seamless for comfort and surprisingly warm for its weight, this underwear is ideal in cool weather, providing excellent moisture management.

Features

Fit: regular
84% polyester / 16% polypropylene yarns offer exceptional softness, warmth, breathability and stretch
Seamless construction means extra comfort
Lighter on the side and back
Wide crew neck to fit even under low-collar sweaters
Thermal insulation 4/5
Waterproofness 1/5
Wind resistance 1/5
Breathability 4/5
Lightness 4/5
Temperature range: 8°C - 20°C / 46°F - 68°F.