Alpha Clothing
Unisex track pants #51
Unisex track pants #51
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• 100% polyester
• Fabric weight: 2.21 oz/yd² (75 g/m²)
• Lightweight, water-resistant fabric
• Fully lined, mesh lining
• Relaxed fit
• Elastic waistband and ankle cuffs
• Zip pockets
• Sits at hip
Size guide
| WAIST (inches) | INSEAM LENGTH (inches) | |
| XS | 25 | 28 |
| S | 27 | 28 ¼ |
| M | 29 ½ | 28 ¾ |
| L | 32 | 29 ¼ |
| XL | 35 | 29 ½ |
| 2XL | 36 ½ | 30 |
| 3XL | 39 | 30 ¼ |
| WAIST (cm) | INSEAM LENGTH (cm) | |
| XS | 63.5 | 71.1 |
| S | 68.6 | 71.8 |
| M | 75 | 73 |
| L | 81.3 | 74.3 |
| XL | 89 | 75 |
| 2XL | 92.7 | 76.2 |
| 3XL | 99 | 76.8 |
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Size chart
| US | EU | Heel to toe (cm) |
|---|---|---|
| 7 | 39 | 24.6 |
| 7.5 | 40 | 25.0 |
| 8 | 40.5 | 25.5 |
| 8.5 | 41 | 25.9 |
| 9 | 42 | 26.3 |
| 9.5 | 43 | 26.8 |
| 10 | 44 | 27.2 |
| 10.5 | 44.5 | 27.6 |
| 11 | 45 | 28.1 |
| 11.5 | 45.5 | 28.5 |
| 12 | 46 | 28.9 |
| 13 | 47 | 29.7 |
| 14 | 48 | 30.5 |
| US | EU | Heel to toe (cm) |
|---|---|---|
| 5 | 35 | 21.6 |
| 5.5 | 35.5 | 22.2 |
| 6 | 36 | 22.5 |
| 6.5 | 37 | 23.0 |
| 7 | 37.5 | 23.5 |
| 7.5 | 38 | 23.8 |
| 8 | 38.5 | 24.1 |
| 8.5 | 39 | 24.6 |
| 9 | 40 | 25.1 |
| 9.5 | 40.5 | 25.4 |
| 10 | 41 | 25.9 |
| 10.5 | 42 | 26.2 |
| 11 | 42.5 | 26.7 |
Measurements are approximate. If you are between sizes, we recommend ordering the larger size.
Customer Reviews
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December 14 2025
Size guide was spot on
I was nervous about ordering online but the size guide was accurate. Picked the white and have no regrets.
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April 28 2026
Beat the competition
Five stars. Unisex track pants was exactly what I was looking for and the price beat everywhere else I had checked.
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April 22 2026
Comfortable all day
Wore them all day and my feet did not hurt at all. Already eyeing another color for next month.
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April 14 2026
Honest review
Decent #51 for the price. Not high end but definitely worth what I paid. Color is true to the photos.
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April 03 2026
Regular rotation pick
These #51 are now in my regular rotation. lightweight and they wash well, color stays vibrant.
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March 27 2026
Beautiful in real life
Tried the black version. Beautiful in real life, materials feel solid, fit was spot on for size XL.
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March 19 2026
Genuinely impressed
Had to leave a review because I am genuinely impressed. Good #51 are hard to find and these check every box.
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March 11 2026
Great straight out of the box
Got the black pair last week. They feel great straight out of the box, no break-in needed. Already wore them on a long walk and zero complaints.