Sitka Core Merino 220 Half-Zip – Optifade Elevated II
The Sitka Core Merino 220 Half-Zip is a warm, breathable midlayer designed for active hunting and outdoor use in cool to cold conditions.
Made from 220 g/m² merino wool blend fabric, it balances warmth and moisture management while providing soft next-to-skin comfort.
The half-zip design allows for quick temperature regulation on the move, while the Optifade Elevated II pattern blends seamlessly into wooded terrain and elevated stand environments—keeping you concealed without compromising comfort.
Available in sizes M–2XL.
Key Features
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220 g/m² merino-blend midlayer for cold and changing conditions.
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Half-zip for quick ventilation and heat release.
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Natural odor control from merino wool for multi-day wear.
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Soft, quiet, and flexible material for unrestricted movement.
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Optifade Elevated II camouflage for concealment in treestands and forested areas.
Use and Performance
The Core Merino 220 Half-Zip is built for use from fall through winter and into early spring—whenever you need extra warmth without overheating.
It performs equally well worn directly against the skin or layered over a lightweight base layer, forming a breathable and efficient insulation system under your outerwear.
The half-zip design enables easy heat management during climbs and transitions, while merino’s natural odor resistance makes it a dependable companion for multi-day hunts.
Its quiet, stretchy construction ensures freedom of movement and silent handling of your weapon or gear in the stand.
Why It’s Right for You
If you’re looking for a versatile, warm midlayer that excels both in motion and during long sits, the Core Merino 220 Half-Zip hits the mark.
It combines merino wool’s warmth, moisture control, and odor resistance with technical fit and adjustable ventilation.
The Optifade Elevated II camouflage ensures your gear supports your concealment exactly where it matters most.
Technical Specifications
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Fabric weight: 220 g/m² merino-blend knit
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Construction: Half-length zipper for temperature regulation, soft inner surface for next-to-skin comfort
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Breathability & moisture management: Merino wool naturally wicks moisture and balances temperature during active use
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Odor control: Merino’s natural antibacterial properties reduce odor buildup
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Fit & mobility: Quiet, stretch fabric designed for layering under outerwear
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Pattern: Optifade Elevated II
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Weight: Approx. 314 g
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Sizes: M–2XL














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