TYR
TYR Womens Arterix Diamondfit Swimsuit - Blue
TYR Womens Arterix Diamondfit Swimsuit - Blue
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TYR’s Durafast Elite fabric is 100% chlorine-proof and 100% colorfast, engineered to hold its shape, stretch and colour through 300 or more hours of pool training. Train harder for longer without worrying about your suit.
The Diamondfit combines a medium neckline, flexible straps, a keyhole back and moderate-cut leg for dependable coverage without extra bulk. Designed for swimmers who want a composed, secure fit through demanding training without maximum exposure.
230gsm Durafast Elite fabric delivers firm, flexible compression that moves with you. A full antimicrobial lining adds hygiene and support, while UPF 50+ technology ensures protection during any outdoor pool session.
- 230gsm Durafast Elite FabricHeavy-gauge, chlorine-proof polyester built to outperform and outlast standard training swimwear
- 300+ Hours of Guaranteed PerformanceTYR’s performance guarantee: 300 or more hours before any loss of shape, stretch or colour
- 100% Chlorine-ProofFull chlorine resistance throughout the life of the suit, not just for the first few sessions
- 100% ColorfastThe colour will not fade, bleed or dull no matter how many sessions it goes through
- Diamondfit SilhouetteMedium neckline, flexible straps and keyhole back for a secure, composed fit with dependable coverage
- Keyhole BackThe keyhole back opening provides ventilation and style while maintaining a more conservative rear coverage than open-back styles
- Moderate-Cut LegA moderate leg cut offers a balance between freedom of movement and coverage for all-day pool comfort
- Fully Lined with Antimicrobial LiningFull lining provides modesty, support and hygiene throughout every training session
- UPF 50+ TechnologyBlocks 98% of UV radiation for added protection during outdoor pool training
Not sure on sizing? See our TYR Womens Swimwear Size Guide or contact our team for advice.
← Scroll to see all sizes →
| Size | 26 | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 42 |
|---|---|---|---|---|---|---|---|---|---|
| UK Size | UK 4 | UK 6 | UK 8 | UK 10 | UK 12 | UK 14 | UK 16 | UK 18 | UK 20 |
| US Size | XS 0/2 | S 4/6 | S 4/6 | M 8 | M 8 | L 10/12 | XL 14/16 | 1X | 2X |
| Body Measurements (cm) | |||||||||
| Chest (cm) | 71.1–74.9 | 76.2–78.7 | 80.0–82.5 | 83.8–86.4 | 87.6–90.2 | 91.4–95.2 | 96.5–100.3 | 101.6–105.4 | 106.7–110.5 |
| Chest (inches) | 28–29.5 | 30–31 | 31.5–32.5 | 33–34 | 34.5–35.5 | 36–37.5 | 38–39.5 | 40–41.5 | 42–43.5 |
| Waist (cm) | 58.4–62.2 | 63.5–66.0 | 67.3–69.8 | 71.1–73.7 | 74.9–77.5 | 78.7–82.5 | 83.8–87.6 | 88.9–92.7 | 94.0–97.8 |
| Waist (inches) | 23–24.5 | 25–26 | 26.5–27.5 | 28–29 | 29.5–30.5 | 31–32.5 | 33–34.5 | 35–36.5 | 37–38.5 |
| Hip (cm) | 74.9–77.5 | 78.7–82.5 | 83.8–87.6 | 88.9–92.7 | 94.0–97.8 | 99.1–102.9 | 104.1–106.7 | 108.0–110.5 | 111.8–114.3 |
| Hip (inches) | 29.5–30.5 | 31–32.5 | 33–34.5 | 35–36.5 | 37–38.5 | 39–40.5 | 41–42 | 42.5–43.5 | 44–45 |
| Torso (cm) | 138.4–141.0 | 142.2–144.8 | 146.1–148.6 | 149.9–152.4 | 153.7–156.2 | 157.5–160.0 | 161.3–163.8 | 165.1–168.9 | 170.2–174.0 |
| Torso (inches) | 54.5–55.5 | 56–57 | 57.5–58.5 | 59–60 | 60.5–61.5 | 62–63 | 63.5–64.5 | 65–66.5 | 67–68.5 |
All measurements are body measurements, not garment measurements. Use chest as the primary guide. Where measurements fall across size brackets, use chest to determine your size. For further guidance, view our full TYR Womens Swimwear Size Guide or contact our team.
QWhat makes Durafast Elite different from a standard training swimsuit?
Durafast Elite uses a 230gsm heavy-gauge polyester construction that is 100% chlorine-proof throughout its lifetime. TYR guarantees 300 or more hours of performance before any degradation in shape or colour, making it significantly more durable than standard polyester training suits.
QWhat is the Diamondfit silhouette?
The Diamondfit features a medium neckline, flexible straps and a keyhole back opening, with a moderate-cut leg. It is designed for swimmers who want dependable coverage and a composed fit through demanding training without the more open feel of a Cutoutfit or Trinityfit.
QHow do I choose the right size?
TYR sizing runs close to body measurements. We recommend measuring your chest, waist and hips and comparing against our TYR Womens Swimwear Size Guide. If you are between sizes, go up for comfort. Our team is always happy to advise.
QHow do I look after a Durafast Elite swimsuit?
Rinse thoroughly in cool fresh water immediately after every use. Hand wash with a gentle detergent if needed and air dry away from direct heat and sunlight. Do not machine wash, tumble dry or wring. See our full product aftercare guide for details.
- 💧Rinse immediately after every use in cool, non-chlorinated water
- 🚫Do not leave the wet suit in a bag for extended periods
- ☀️Do not expose to direct sunlight when wet
- 🧼Hand wash only with a detergent suitable for delicate fabrics
- 🌬️Air dry by hanging away from direct heat sources
- 🚫Do not machine wash, tumble dry, wring, iron or dry-clean
- ✅Durafast Elite: 100% chlorine-proof for the life of the suit
View our full swimwear product aftercare guide to ensure you look after your kit properly.
Allens Swimwear is a family-run business founded in 1976 by Dennis Allen and his daughter Linda Beal. It started from a genuine need. “With 2 swimmers in the family it was often difficult to find the right kit, so dad and I took the plunge and started selling to local swimmers at our local pool in Kingsbury out of a suitcase and we’ve never looked back.” Today, Linda, her husband Richard, and three of their children Danny, Will and Jenna still run the business together. The suitcase may be long gone, but the founding principle of helping swimmers get the right kit remains exactly the same.
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