The Under Armour Diamond Mountain T-Shirt is designed for men who value performance and comfort in their outdoor activities. Ideal for fitness and training, this shirt promises an exceptional experience, whether on the trail or in everyday life, thanks to its super-soft, cotton-blend fabric. The ribbed collar adds a sturdy, clean finish while odor control technology ensures the fabric stays fresh. This shirt supports American farmers, as the cotton is grown locally in the USA. With quick-drying and moisture-wicking features, it offers regular fit to the hip length and comes in a classic crew style.
Short Sleeve
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Cotton / Polyester Blend
Crew
Regular Fit
Fitness & Training
Size Guide
| Size | XS | S | M | L | XL | XXL | 3XL | 4XL | 5XL |
|---|---|---|---|---|---|---|---|---|---|
| Chest | 31 - 34" | 34 - 37" | 37 - 41" | 41 - 44" | 44 - 48" | 48 - 52" | 52 - 56" | 56 - 60" | 60 - 64" |
| Waist | 28 - 29" | 29 - 31" | 31 - 34" | 34 - 37" | 37 - 41" | 41 - 45.5" | 45.5 - 50" | 50 - 54.5" | 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 & 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.
