Tru-Spec Gen III ECWCS Level I Top

Tru-Spec Gen III ECWCS Level I Top

The Tru-Spec Gen III ECWCS Level I Top provides lightweight warmth, moisture management, and dependable comfort for military personnel, law enforcement officers, first responders, and outdoor enthusiasts operating in cool to cold weather. Designed as part of the Generation III Extended Cold Weather Clothing System (ECWCS), this performance base-layer shirt helps regulate moisture while maintaining breathability during physically demanding activities.

Constructed from 3.7 oz. Performance Plus 100% polyester plaited jersey knit, the Level I Top offers lightweight insulation without unnecessary bulk. Its breathable, quick-drying construction helps move perspiration away from the skin, making it an excellent choice for active duty, field operations, training, and outdoor recreation.

The shirt features flat-lock seams that minimize friction and chafing during extended wear. Integrated thumb holes at the sleeve cuffs help keep the sleeves securely positioned when adding additional clothing layers, while a tagless heat-transfer neck label eliminates the irritation associated with traditional sewn-in labels.

Microban antimicrobial treatment helps resist odor-causing bacteria, supporting comfort during extended periods of activity. The slim, athletic base-layer fit allows the shirt to be worn comfortably beneath uniform shirts, tactical jackets, and protective outerwear.

Whether used as the foundation of a complete ECWCS cold-weather clothing system or worn independently during cool-weather activities, the Tru-Spec Gen III ECWCS Level I Top delivers an effective combination of moisture management, flexibility, breathability, and everyday comfort.

Features

• Lightweight 3.7 oz. Performance Plus polyester construction

• 100% polyester plaited jersey knit fabric

• Breathable material provides lightweight insulation

• Moisture-managing construction helps move perspiration away from the skin

• Quick-drying fabric supports comfort during active use

• Microban antimicrobial treatment helps resist odor-causing bacteria

• Flat-lock seams minimize bulk, friction, and chafing

• Integrated thumb holes help secure sleeves during layering

• Tagless heat-transfer neck label enhances comfort

• Slim base-layer fit designed for wear beneath uniforms and outerwear

• Compatible with the Gen III ECWCS cold-weather layering system

• Suitable for independent wear in appropriate conditions

• GSA compliant

• Ideal for military operations, law enforcement, tactical training, and outdoor activities

Specifications

• Manufacturer: Tru-Spec

• Product: Gen III ECWCS Level I Top

• Manufacturer Product Number: 2064003

• Product Type: Lightweight Long Sleeve Thermal Base Layer Shirt

• Fabric: 100% Polyester

• Fabric Weight: 3.7 oz.

• Fabric Construction: Performance Plus Plaited Jersey Knit

• Moisture Management: Breathable, Moisture-Managing, Quick-Drying

• Antimicrobial Treatment: Microban

• Seam Construction: Flat-Lock

• Sleeve Features: Integrated Thumb Holes

• Neck Label: Tagless Heat Transfer

• Fit: Slim Base-Layer Fit

• Layering System: Gen III Extended Cold Weather Clothing System (ECWCS), Level I

• Available Colors: Black, Coyote, Tan 499

• Available Sizes: Small Regular, Medium Regular, Large Regular, XL Regular, 2XL Regular, 3XL Regular

• Government Procurement: GSA Compliant

• Intended Use: Military Operations, Law Enforcement, Cold-Weather Duty, Tactical Training, Hiking, Outdoor Recreation

About Tru-Spec

Tru-Spec is a trusted manufacturer of tactical apparel, military uniforms, and performance-driven gear designed for law enforcement, military personnel, first responders, and outdoor professionals. A brand of ATLANCO, Tru-Spec is known for combining durable materials, functional designs, and practical features that meet the demands of challenging environments. From tactical pants and uniform shirts to outerwear, flight suits, and duty apparel, Tru-Spec delivers dependable performance, comfort, and value for professionals who rely on their equipment every day.

We strive to process and ship orders as quickly as possible. Shipping times may vary depending on product availability, order size, customization requirements, and destination.

We offer standard $9.99 flat-rate shipping on all orders and free shipping on orders over $99.00.

For expedited shipping or shipping to destinations outside the contiguous United States, please contact us for a rate quote.