Warmth and breathability for winter running
The ODLO Men’s Zeroweight Warm Running Half-Zip Mid Layer is a versatile winter running layer designed to provide warmth without unnecessary bulk. Its lightweight brushed knit fabric feels soft against the skin, while moisture management helps regulate comfort during active sessions.
The Warm temperature-control system provides very good thermal insulation while allowing moisture to escape, making this mid layer suitable for winter running and other high-intensity outdoor activities. ODLO’s temperature guide places the Warm range across cold-weather conditions, with the most relevant comfort range for this type of active layer around -10°C to 5°C, depending on activity level and the other layers worn.
The half-zip design allows you to adjust ventilation as your effort increases. Vapour ventilation areas on the sleeves and back help release excess heat, while the elastic waist helps reduce cold air entering from below.
Wear it over a base layer for winter running, or layer it underneath a running jacket or gilet when conditions become colder or wetter. ODLO also recommends the layer for Nordic skiing and other winter activities.
FEEL THE SPEED OF LIGHT
Comfortably dry. Remarkably fast. Performance running pieces distanced from the pack.
Features
- Warm thermal insulation
- Lightweight brushed knit fabric
- Half-zip front for adjustable ventilation
- Enhanced moisture management
- Vapour ventilation areas on sleeves and back
- Organic body mapping
- Elastic waist helps keep cold air out
- Peached inside for a soft feel
- Reflective details
- Freedom of movement
- Athletic fit
- Contains recycled materials
ODLO specifically lists warmth, freedom of movement, enhanced moisture management, organic body mapping, reflective details and a peached inside among the product features.
Temperature Control: Warm
ODLO classifies this garment as Warm, its category for sportswear with very good thermal insulation and effective moisture regulation. It is designed to help keep you warm and dry during winter activity while remaining breathable.
When to wear it
The exact temperature you can comfortably wear this mid layer depends on your running intensity, wind, personal preference and the layers worn underneath or over it.
For active winter running, I would position it primarily around -10°C to 5°C, with lighter layering above 0°C and additional layers or an outer shell as temperatures fall. This is a practical interpretation of ODLO’s Warm temperature-control system rather than a fixed temperature guarantee.
This is particularly useful for:
- Winter running
- Cold-weather training
- Nordic skiing
- High-intensity outdoor activities
- Layering under a running jacket or gilet
Technical Details
- Product: Zeroweight Warm Running Half-Zip Mid Layer
- Colour: Skipper Blue
- Fit: Athletic
- Activity: Running
- Temperature control: Warm
- Main material: 94% polyester (recycled), 6% elastane
- Lining: 100% polyester (recycled)
ODLO describes the Athletic fit as slightly tailored and designed to move with the body.
Material
The polyester and elastane fabric combines polyester’s durability, shape retention and moisture-wicking properties with elastane’s stretch and flexibility.
Care
- Machine wash cold
- Do not bleach
- Do not tumble dry
- Do not iron
- Do not dry clean
Size Guide
▸ How to measure
Measure your body directly over light clothing, keeping the tape level and snug but not tight.
Chest — measure around your chest at the fullest point, holding the tape firm and level.
Waist — measure around your natural waistline.
▸ Size chart (cm)
| Size | S | M | L | XL | XXL | 3XL |
|---|---|---|---|---|---|---|
| Chest | 89.5–95.5 | 95.5–101.5 | 101.5–107.5 | 107.5–113.8 | 113.8–121 | 121–129 |
| Waist | 76.5–82.5 | 82.5–88.5 | 88.5–94.5 | 94.5–100.8 | 100.8–108.5 | 108.5–118.5 |
All measurements in centimetres. If you are between sizes, always choose the larger size.
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