Under Armour HeatGear Armour Leggings - Lightweight

Our review of the Under Armour HeatGear Armour Leggings finds them best suited to athletes who want a true second-skin base layer that moves with them and manages sweat. The single biggest reason to buy is the super-light HeatGear fabric that delivers coverage without bulk while wicking moisture and drying quickly, making these leggings a reliable choice for training in variable temperatures and for layering under shorts or gis.

Key Features

• Super-light HeatGear fabric: Provides comfortable, second-skin compression and coverage without weighing the wearer down during high-intensity activity.
• Strategic mesh panels: Targeted ventilation keeps airflow where heat builds most, helping regulate temperature in warm sessions.
• Fast-wicking material: The fabric moves sweat away from skin and dries quickly so the leggings stay comfortable through repeated reps or rounds.
• Ergonomic seam design: Seams are routed off high-abrasion zones to improve durability and reduce chafing during grappling and repetitive movement.
• Wide exposed waistband: The elastic waistband with wordmark detail stays put and offers a secure fit without digging in during dynamic drills.
• Updated gusset and drop-in pocket: The gusset adds comfort and support while the right-side drop-in Strength PocketTM holds small essentials.

Who It's For

The HeatGear Armour Leggings are ideal for athletes who want ultra-tight compression for running, gym workouts, or grappling sports like jujitsu, where a close fit and freedom of movement matter. They suit year-round training from cool 40-50 F sessions to intense indoor workouts because the fabric wicks well and the mesh aids ventilation.

Those who should look elsewhere include users seeking a relaxed fit or a casual thermal pant for lounging; these are an ultra-tight compression layer, not loose loungewear. Also, if exceptionally heavy-duty abrasion resistance is required for prolonged outdoor rough work, consider a heavier-weight base layer.

Pros & Cons

Pros

• Excellent moisture management and quick drying for sustained training comfort.
• True second-skin compression fit that enhances mobility and feels secure during grappling.
• Thoughtful ventilation and seam placement reduce overheating and chafing.
• Good value for performance features and a supportive waistband.

Cons

• Compression is ultra-tight, so sizing up may be necessary for some; fit runs snug by design.
• Durability reports vary; some users report long life while others experienced tearing after heavier use.

Specifications

Our Verdict

The Under Armour HeatGear Armour Leggings are a strong choice for athletes who need a lightweight, high-performance base layer that manages sweat and stays out of the way. They offer excellent mobility, targeted ventilation, and a supportive waistband, making them good value for training and grappling; just be mindful of the ultra-tight fit and variable durability reported by some users.

Frequently Asked Questions

Are these leggings good for cold weather?
They work well as a base layer in cool conditions, but in very cold weather you should pair them with an insulating layer on top.

Do they have pockets for keys or cards?
Yes, there is a drop-in Strength PocketTM on the right side suitable for small essentials.

How does the fit compare to other compression leggings?
Fit is ultra-tight and second-skin; if you prefer a bit more room, consider sizing up.