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Experience unparalleled comfort and warmth in extreme cold conditions with the Under Armour Base 4.0 Legging. Ideal for those frigid outdoor sports adventures, these men's baselayer bottoms are designed with UA Base 4.0 Extreme Baselayer for maximum warmth. An added UA Scent Control Technology helps you stay fresh by reducing odor. Crafted from a blend of polyester and elastane, the material wicks sweat and dries quickly to maintain your comfort throughout the day. A performance elastic waistband ensures a secure fit while the 4-way stretch fabric offers unrestricted movement in every direction. A working fly completes the practical design of these leggings. Stay warm, dry, and mobile on your next winter adventure.
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Polyester / Elastane Blend
Slim Fit
Running
Size Guide
| Size | Chest (in) | Waist (in) |
|---|---|---|
| XS | 31 - 34 | 28 - 29 |
| S | 34 - 37 | 29 - 31 |
| M | 37 - 41 | 31 - 34 |
| L | 41 - 44 | 34 - 37 |
| XL | 44 - 48 | 37 - 41 |
| XXL | 48 - 52 | 41 - 45.5 |
| 3XL | 52 - 56 | 45.5 - 50 |
| 4XL | 56 - 60 | 50 - 54.5 |
| 5XL | 60 - 64 | 54.5 - 59 |
Compression — Ultra-tight, second-skin fit that keeps you locked in.
Fitted — A slimmer, athletic cut that allows total mobility but eliminates the bulk of extra fabric.
Loose — Fuller cut for complete comfort, total range of motion and greater breathability.
Chest — Place tape measure under your arms at the fullest part of your chest, wrap around your body until your fingers meet and mark the measurement.
Waist — Measure around your natural waistline. Be careful not to squeeze too tight to allow give.
Tall Sizes — All tall sizes are 2" longer than regular sizes. Sleeve lengths are adjusted proportionately depending on silhouette.
| Size | US Size | Waist (in) | Hip (in) |
|---|---|---|---|
| XS | 28 | 28 - 29 | 33 - 34 |
| S | 30 | 29 - 31 | 34 - 36 |
| M | 32 - 33 | 31 - 34 | 36-39 |
| L | 34 - 36 | 34 - 37 | 39 - 42 |
| XL | 38 - 40 | 37 - 41 | 42 - 46 |
| XXL | 42 - 44 | 41 - 45.5 | 46 - 50 |
| 3XL | 46 - 48 | 45.5 - 50 | 50 - 54 |
| 4XL | 50 - 52 | 50 - 54.5 | 54 - 58 |
| 5XL | 54 - 56 | 54.5 - 59 | 58 - 62 |
Compression — Ultra-tight, second-skin fit that keeps you locked in.
Fitted — A slimmer, athletic cut that allows total mobility but eliminates the bulk of extra fabric.
Loose — Fuller cut for complete comfort, total range of motion and greater breathability.
Waist — Measure around your natural waistline. Be careful not to squeeze too tight to allow give.
Hip — With your feet shoulder width apart, measure around the fullest part of your hips to ensure you will have enough room to move comfortably.
Tall Sizes — All tall sizes are 2" longer than regular sizes.
