Castelli 3 Stagioni Neck Warmer vs Altura Merino Snood: Winter Cycling Comparison 2026
What to Look For
A neck warmer is one of the cheapest ways to extend your outdoor riding season into autumn and winter — it plugs the gap between your jacket collar and helmet strap where cold air gets in, and it packs down small enough to carry as a just-in-case layer. We compared two of Tredz’s current options: Castelli’s technical 3 Stagioni and Altura’s merino wool snood.
Castelli 3 Stagioni Neck Warmer — £13.99
The 3 Stagioni (“three seasons”) is Castelli’s do-it-all neck warmer, built from a technical thermal fabric designed to work across autumn, winter and early spring rides. It’s a synthetic, wind-resistant construction rather than natural fibre, which means it dries fast if you sweat into it on a harder effort, and it holds its shape well under a jacket collar.
Altura Merino Cycling Snood — £11.99
Altura’s snood swaps synthetic fabric for merino wool, which regulates temperature better across a range of conditions — it won’t leave you overheating the moment the sun comes out, and it stays warm even if it gets slightly damp. It’s the cheaper of the two and a good pick if you prefer natural fibres against your skin.
Which Should You Buy?
- Pick the Castelli if you ride hard efforts in properly cold, wind-exposed conditions and want a technical fabric that dries fast and blocks wind.
- Pick the Altura if you want natural fibres, a wider comfortable temperature range, and to save a couple of pounds.
- Both pack down small enough to sit in a jersey pocket for the ride home once the temperature climbs.
Care and Maintenance
Machine wash both on a cool, gentle cycle and air dry — tumble drying will shrink merino wool and can degrade the elastane in technical synthetic fabrics over time. Avoid fabric softener on the merino option, as it coats the fibres and reduces their natural moisture-wicking.
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