Quick answer
Layer a merino t-shirt as a mid-layer over a lightweight base or as a standalone base on cool rides, then add a windproof or softshell jacket when temperatures drop. The key is matching the merino's breathability with outer layers that don't trap moisture.
Why merino works for cycling layers
Merino wool's natural temperature regulation and odour resistance make it ideal for rides that start cool and warm up. Unlike synthetic base layers, merino can be worn next to skin or over a thin synthetic tee without feeling clammy. The relaxed fit of a merino t-shirt allows easy movement on the bike, but you need to pair it with outer layers that maintain airflow.
When to use a merino t-shirt as a base vs mid-layer
For mild conditions (50-65°F / 10-18°C), wear the merino t-shirt directly against your skin under a light wind jacket. For colder rides (35-50°F / 2-10°C), use a thin synthetic base layer first, then the merino t-shirt, then a softshell. The merino adds warmth without bulk, but it's not waterproof—avoid wearing it as an outer layer in rain.
How to layer a merino t-shirt for cycling
- Step 1: Choose your base layer: If the ride is below 50°F (10°C), start with a thin, quick-drying synthetic base layer. For milder conditions, skip this and let the merino t-shirt sit directly against your skin. Common mistake: wearing cotton under merino—cotton traps sweat and chills you when you stop.
- Step 2: Add the merino t-shirt as the mid-layer: Put on the merino t-shirt over the base layer or alone. Ensure the fit is relaxed enough to allow arm movement when reaching for the handlebars. Tuck it into your bib shorts or cycling trousers to prevent cold air from sneaking up your back. Common mistake: choosing a merino t-shirt that is too tight—it restricts movement and reduces the insulating air layer.
- Step 3: Finish with an outer shell: Add a windproof or water-resistant jacket for wind chill or light rain. For warmer rides, a lightweight gilet (vest) that blocks wind on the chest while letting the back breathe works well. Avoid heavy insulated jackets—the merino already provides warmth. Common mistake: using a non-breathable rain jacket—it traps moisture and makes the merino feel damp and heavy.
Product facts
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ARC Merino Long Sleeve T-Shirt: The ARC Merino Long Sleeve T-Shirt uses a premium merino blend from Biella, Italy, offering natural temperature regulation, breathability, and odour resistance. This means you can ride through changing temperatures without overheating, and the fabric stays fresh for multiple rides between washes.
ARC Merino Long Sleeve T-Shirt
