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Stay warm and fresh in extreme cold with the Under Armour Baselayer 4.0 Crew for women. This top is perfect for high-energy pursuits in cold environments - think frosty morning runs or snowy hikes. It's the warmest baselayer yet, thanks to UA Base 4.0 Extreme Baselayer technology. With UA Scent Control Technology, it helps keep you fresh during outdoor activities. The material not only wicks sweat and dries quickly, but also offers 4-way stretch for improved mobility. A fitted fit ensures it's not too tight or loose. Additional features include updated, softer fabric for enhanced comfort and built-in thumbholes to trap warmth.
Long Sleeve
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Polyester / Elastane Blend
Crew
Fitted / Next to Skin
Fitness & Training
Size Guide
| Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| US Size | 0 - 2 | 4 - 6 | 8 - 10 | 12 - 14 | 16 |
| Bust | 32.5 - 33.5" | 33.5 - 36" | 36 - 38" | 38 - 41" | 41 - 44" |
| Waist | 25.5 - 27" | 27 - 29" | 29 - 31" | 31 - 34" | 34 - 37" |
| Hip | 34.5 - 36" | 36 - 38" | 38 - 40" | 40 - 43" | 43 - 46" |
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 & greater breathability.
Bust — Place tape measure under your arms at the fullest part of your chest, wrap around your body until tyour fingers meet and mark the measurement.
Waist — Measure around your natural waistline. Be careful not to squeeze too tight to allow give.
Hips — With your feet shoulder width apart, measure around the fullest part of your hips to ensure you will have enough room to move comfortably.
