Designed for athletes who demand durability and style, the TYR Solid Durafast One Diamondfit Bikini Top is your next go-to training essential. ??
Made with 100% Durafast One® polyester, this top is chlorine-proof, colorfast, and built to last 300+ hours—nearly 20 times stronger than traditional swimwear. Whether you’re training in the pool or relaxing on the beach, you’ll stay covered, comfortable, and confident.
The Diamondfit design features a medium neckline and sleek, flexible straps that move with you while offering secure support. Fully lined with 4-way stretch technology, it delivers a snug yet comfortable fit through every lap or set. ☀️ Plus, UPF 50+ protection ensures your skin stays shielded from the sun.
Mix and match it with your favorite bottoms for versatile, long-lasting swimwear that performs as hard as you do.
Key Features
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? Durafast One® fabric: 100% polyester, ultra-durable, chlorine-proof
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? Colorfast technology: Maintains bold, fade-free color
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? Diamondfit design: Sleek, flexible straps with a medium neckline
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? Fully lined with 4-way stretch: Comfortable and secure fit
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☀️ UPF 50+ sun protection: Shields your skin during outdoor swims
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⏱️ 300+ hours of performance: Ideal for long-term training
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? Imported: Built for aquatic athletes
Be sure to browse other Tyrproducts available at Swim2000.
Size Chart
| PERFORMANCE | 24 | 26 | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 42 |
|---|---|---|---|---|---|---|---|---|---|---|
| ADULT ALPHA | XXS | XS | S | S | M | M | L | XL | 1X | 2X |
| ADULT NUMERICAL | 00 | 0 – 2 | 4 – 6 | 4 – 6 | 8 | 8 | 10 – 12 | 14 – 16 | 18 – 20 | 20 – 22 |
| CHEST | 28 – 29 | 30 – 31 | 32 – 33 | 34 – 35 | 35 – 36.5 | 36.5 – 37 | 37 – 38.5 | 39 – 40.5 | 41 – 42.5 | 43 – 44 |
| WAIST | 23 – 24 | 25 – 26 | 27 – 28 | 29 – 30 | 31 – 32 | 32.5 – 33.5 | 34 – 35.5 | 35.5 – 36.5 | 37 – 38 | 39 – 40 |
| HIP | 30 – 31 | 32 – 33 | 34 – 35 | 35 – 37 | 37.5 – 38.5 | 39 – 40.5 | 41 – 42 | 42.5 – 43.5 | 44 – 45 | 45.5 – 46.5 |
| TORSO | 55 – 56.5 | 57 – 58.5 | 59 – 60 | 60 – 61 | 61.5 – 62.5 | 63 – 64 | 65 – 66.5 | 66 – 67 | 67.5 – 68.5 | 68.5 – 69.5 |
| *THIS CHART IS INTENDED FOR ADULT SIZING ONLY. ALL MEASUREMENTS LISTED ARE IN INCHES. WEIGHT IS IN POUNDS. |
