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Cold Days 2nd Layer Vest - Men's
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Boost your cold weather kit without the bulk with the Cold Days 2nd Layer Vest
What Our Gearhead® Experts Are Saying:
"The Cold Days 2nd Layer Vest slotted perfectly into my layering system on a cold and windy morning in the low thirties. It added just enough warmth at the core without making my arms feel restricted, and at 128 grams, I barely noticed it was there until I realized I had not thought about being cold once during the ride."
The Cold Days 2nd Layer Vest from Castelli takes the same Polartec Alpha insulation philosophy as the full Cold Days 2nd Baselayer and focuses it entirely on the core. Sleeveless construction keeps the arms free for full movement and ventilation, while the vest adds meaningful warmth at the chest and back where heat retention matters most. At 128 grams, it disappears into the layering system without adding bulk under a jacket.
Details
- Insulating mid-layer vest built for cycling in 24-50°F conditions
- Polartec Alpha fabric maximizes core warmth without added weight
- Sleeveless design keeps arms free and ventilated during efforts
- 128g construction layers cleanly between base layer and jacket
- Regular fit works tucked into tights or worn loose at the hip
- Core-focused insulation that keeps your layering system flexible
- Item #CSTZ84O
- Material
- Polartec Alpha
- Fit
- slim
- Season
- 4-season
- Length
- hip
- Claimed Weight
- 4.51oz
- Manufacturer Warranty
- limited 2 year
- Activity
- road cycling
Related Categories
Frequently Asked Questions
How should I size the men’s Castelli Cold Days 2nd Layer Vest for a close cycling fit?
Castelli lists this vest as slim fit, so choose by chest and waist measurements. The size chart lists L at 100 cm chest and 88 cm waist; the men’s cut is designed to layer over a base layer.What temperatures suit the Castelli Cold Days 2nd Layer Vest?
It’s listed for 24–50°F (-4–10°C), making it a useful core-insulation layer for cool-to-cold rides. For exposed or wet conditions, wear it beneath an appropriate outer shell.What insulation is used in the Castelli Cold Days 2nd Layer Vest?
The vest uses Polartec Alpha 90 insulation in 100% polyester fabric, balancing core warmth with breathability for active riding. Its sleeveless design keeps the arms free for movement.How does the Castelli Cold Days vest fit into a cycling layering system?
At 128 grams, it’s designed to layer over a base layer and beneath a cycling jacket, adding insulation without much bulk. Its hip-length cut can be tucked into tights or worn loose.How should I wash the Castelli Cold Days 2nd Layer Vest?
Machine wash it at 30°C and tumble dry on a cool setting. Avoid bleach, ironing, and dry cleaning to care for the Polartec Alpha fabric.