5.11 Tactical - V.XI Sigurd Shirt

Colour - Black

Black Dark Navy

Key Features

High-Performance Cooling Base Layer Shirt

Cryo-Tac™ Active Cooling – Engineered with a proprietary 5.9-oz. nylon and elastane warp knit mesh featuring Cryo-Tac™ technology, providing a "cool to the touch" sensation, rapid moisture-wicking, and anti-odor performance for elite operations.
Armor-Optimized Ergonomics – Features a versatile rugby-style collar designed to prevent neck chafe from armor or slings, paired with specialized side-body panels and flat-lock seams to eliminate pressure points under plate carriers.
Tactical Identification & Utility – Outfitted with dual 4" x 6" loop patch platforms on the sleeves for ID or morale patches, integrated pen holder pockets for mission-essential utility, and high-stretch recovery to maintain a consistent athletic fit.

Built for Elite operators, high-exertion tactical missions, and extended wear under body armor.

Description

The V.XI™ Sigurd Shirt is the undisputed king of performance base layers, packed with innovation and mission-specific construction. Engineered for elite operators, it features 5.11’s proprietary stretch knit mesh with Cryo-Tac™ properties, providing a revolutionary "cool to the touch" feel even in high-stress environments. Whether worn as a standalone top, under a plate carrier, or as a high-performance layering piece, the Sigurd is designed to keep you at your peak performance.

Features

Cryo-Tac™ Cooling Technology: Crafted with a specialized warp knit mesh that offers enhanced moisture-wicking, anti-odour performance, and an active cooling sensation.
Rugby Style Collar: A versatile, low-profile collar designed to be folded in or out, providing comfort and preventing neck chafe when wearing armour or slings.
Athletic Ergonomic Fit: Features specialized underarm and side body panels that follow the body's natural movement for an unrestricted, athletic feel.
Tactical Customization: Equipped with 4" x 6" loop patch platforms on the sleeves for identification or morale patches, plus integrated pen holder pockets for quick-access utility.
Seamless Comfort: Utilizes flat-lock seam construction throughout to eliminate pressure points and chafing, making it ideal for extended operations under heavy gear.
High-Stretch Durability: The nylon/elastane blend provides outstanding stretch recovery, ensuring the shirt maintains its shape and close-to-body fit through rigorous use.

Specifications

Material: 78% Nylon / 22% Elastane Warp Knit Mesh
Technology: Cryo-Tac™ Cooling / Anti-Odour / Moisture-Wicking
Weight: 5.9-oz.
Collar: Versatile Rugby Style
Panels: Ergonomic Side and Underarm Construction
ID Platforms: Dual Sleeve Loop Patches with Pen Slots

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5.11 Tactical Shirts for Every Mission

When it comes to outfitting yourself for the day, 5.11 Tactical shirts offer unmatched versatility for absolutely any mission. Whether you need a polished button-up for the corporate office, rugged activewear for training, or a durable combat shirt for tactical operations, 5.11 has perfected their craft. Every shirt in their expansive line-up is top-notch, highly functional and crafted from technology-advanced materials that excel in any environment. From casual tees to high-performance outdoor wear, you can trust this well-respected company to deliver the exceptional quality and reliability you demand.

T-Shirts

The 5.11 Tactical T-Shirts combine comfort, durability, and versatile style. Made from breathable, moisture-wicking fabrics with a premium finish for gym training, weekend casuals, or post-shift knock-offs, these tees keep you ready for any setting. With soft ringspun cotton, including fade-resistant graphic designs, and a clean athletic fit, they provide all-day comfort and everyday reliability.

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Polos

The 5.11 Tactical Polos combine professionalism, durability, and functional performance. Made from breathable, snag-resistant fabric with a moisture-wicking finish for office duty, uniform wear, and active shifts, these polos keep you ready for anything. With smart features, including integrated mic loops, and convenient dual sleeve pen pockets, they provide all-day comfort and a sharp appearance.

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Button-Ups

The 5.11 Tactical Button-Ups combine comfort, durability, and professional utility. Made from breathable, tough fabric with a moisture-wicking finish for office duty, outdoor exploration, and active fieldwork, these shirts keep you ready for any environment. With smart storage, including hidden document pockets, and a flexible action back, they provide all-day comfort and rugged versatility.

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Combat Shirts

The 5.11 Tactical Combat Shirts combine comfort, durability, and protection. Made from breathable, moisture-wicking fabric with rugged ripstop sleeves for abrasion, wear, and tear resistance, these shirts keep you ready for any deployment. With saddle shoulders, including secure bicep pockets, and a seamless underarm gusset, they provide all-day comfort and essential storage.

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