The 5.11 Tactical V.XI Sigurd Short Sleeve is a performance base layer built for demanding use. Made from 5.11's own stretch knit mesh with Cryo-Tac properties — a warp knit construction of 78% nylon and 22% elastane weighing approximately 200 g/m² — the shirt delivers a cool-to-the-touch feel against the skin, strong moisture management and effective odor control.
The cut is athletic and ergonomic, with underarm and side body panels that allow a full range of motion without excess material getting in the way. Flat lock seam construction sits flush against the skin, keeping friction to a minimum whether you wear the shirt on its own or under a plate carrier.
The rugby-style collar can be folded in or out depending on your preference. Both sleeves feature 10 x 15 cm loop patch platforms with an integrated pen holder pocket, making it easy to attach identification or unit patches.
Tested and recommended by the NTOA (National Tactical Officers Association) in 2025.
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