When the temperature dips but the call of the open road is irresistible, reach for the Castelli 'Cold Days Long Sleeve 2nd Layer'. This clever mid-layer bridges the gap between a traditional base layer and a winter jacket, providing all the warmth you need, without compromising on breathability or moisture management.

Meticulously designed to work in harmony with your other kit, this versatile garment features a high collar for extra warmth and an asymmetrical half zip, ensuring no interference with your other layers. The snug-zip feature also prevents the garment from adding any unnecessary bulk over your lower torso. The fit is sleek and body-closely, designed to either be tucked in or left out of bib tights depending on your comfort preference.

Experience the ultimate balance of warmth and breathability in cold conditions. This innovative mid-layer delivers the insulation you need on chilly gravel rides, and yet remains sleek and breathable, preventing any feelings of tightness or restriction during your ride.

Key Features:

• Seamlessly slots in as a mid-layer, ideal for subzero multi-terrain rides.
• Constructed from Polartec? Alpha? 90 high-loft active insulation for superior warmth.
• Breathes effortlessly and manages moisture, crafted from recycled PET.
• Featuring an asymmetrical half-zip and high collar for maximum warmth and comfort.
• Weighing in at just 101g for a medium size, it's lightness belies its warmth!
• Designed to perform optimally at temperatures from -8?C to 5?C | 18?F - 41?F.