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The Speedo Splice 7cm Briefs - Hyperboom Logo/Black/Grey feature classic sports styling, straight from the Speedo archives. Throwing it back to our Bondi roots, we’ve raided the Speedo design archives for the new Hyper Boom Spliced 7cm Brief, which features a revival of our iconic go-faster boom logo stripe across the hip. Sleek in black and contrasting grey, the brief offers great freedom of movement and includes a drawstring waist for a tailored fit. Made from our durable ECO Endurance+ fabric, which is quick-drying and 100% chlorine resistant. One of the yarns in this fabric is made from 100% post-consumer waste, such as recycled plastic bottles.
Speedo Swimwear the worlds leading swimwear brand. Speedo is passionate about life in and around the water, creating revolutionary new technologies, designs and innovations.
| SPEEDO TRAINING SWIMWEAR MENS SIZE CHART | ||||
|---|---|---|---|---|
| AUS Size | Alpha | Waist | Chest | GB Size |
| 10 | XS | 70-75cm | 80-90cm | 30 |
| 12 | S | 75-80cm | 85-95cm | 32 |
| 14 | M | 80-85cm | 90-100cm | 34 |
| 16 | L | 85-90cm | 105cm | 36 |
| 18 | XL | 90-95cm | 110cm | 38 |
| 20 | 2XL | 95-100cm | 115cm | 40 |
| 22 | 3XL | 100-105cm | 120cm | 42 |
| 24 | 4XL | 105-110cm | 125cm | 44 |
| Updated July 2025 | ||||
