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The Sirdal is a lightweight synthetic-insulated jacket from Helly Hansen's outdoor line, built as a warm midlayer for hiking and cold-weather wear. It uses polyester insulation with a water-repellent, breathable shell, a high collar and zipped hand pockets. The loose, straight fit leaves room for a base layer and a shell over the top. It sits below heavier down jackets on warmth but packs smaller and shrugs off damp better than untreated down. Owners treat it as a versatile three-season layer rather than a deep-winter standalone coat.
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Lowest price we've seen: $80.99 on Nov 11 at Shop Simon. Tracked across 3 stores since Nov 11.
Owners rate the Sirdal as a solid, light midlayer that handles wind and light rain on hikes. Most praise its packability and layering room; some find it too thin for real winter and boxy in fit.
The Helly Hansen Sirdal Lightweight Insulator Jacket is a men's long-sleeve winter and outdoor jacket for hiking. It is a solid black jacket with a high collar and a zipper closure. It has pockets and adjustable straps.
The shell is made of synthetic polyester and the lining is polyester. The jacket has synthetic filling for insulation. It is durable, breathable, water repellent and waterproof.
The fit is loose and straight.