Seventy Degrees SD-W1 Polartherm Winter Balaclava – Black
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Cold rides are usually lost at the neck. The gap between helmet and collar bleeds warmth all day, and once your neck and face are cold, concentration and reaction time follow. The Seventy Degrees SD-W1 seals that gap in Polartherm® — a soft, premium technical fleece chosen for warmth that still breathes.
Key Features
- Polartherm® brushed fleece — traps warmth, lets moisture escape
- Neck and beard coverage with a helmet-friendly low-bulk profile
- Quick-drying — ready again for a second ride the same day
- Packs flat into a jacket pocket; tough enough for daily winter use
- S-M and L-XL sizing for a correct fit under any helmet
Warmth That Breathes
Unlike the carbon-fibre base-layer range, the SD-W1 is built for one job: winter warmth. Polartherm's brushed inner face holds a layer of body heat against the skin while its open structure lets moisture move through and evaporate instead of pooling — so you stay warm without ending up damp and clammy inside the helmet after an hour.
Made for the Helmet
The profile is kept deliberately low-bulk so it sits cleanly under a snug helmet without pressure points, and the cut covers the neck, chin and beard area where cold air sneaks in. Soft against the face for hours, it's the kind of small piece of kit that quietly turns a miserable commute into a comfortable one.
Everyday Winter Practicality
It's light and compressible — folds flat into a jacket pocket so it's always with you when the temperature drops unexpectedly — and durable enough to wear every day across a full winter season. Quick-drying performance means an overnight dry between back-to-back riding days.
Sizing and Care
Two sizes, S-M and L-XL, for a close fit under the helmet — a loose balaclava lets in the very draughts it's meant to stop. Machine wash cool, line dry; do not tumble-dry or iron the fleece.
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// Seventy Degrees
Seventy Degrees SD-W1 Polartherm Winter Balaclava – Black

- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
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