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Discover your perfect fit with us! Whether you're going to the gym, on a run, or lounging around - we've got you covered. Our sizing ranges from XS - XXL with a wide selection of styles to accommodate diverse body shapes. Our guides take into account both body measurements and specific style fit to ensure comfort and performance.
| Waist (cm) | Hips (cm) | |
| XS | 65-70 | 90-95 |
| S | 70-75 | 95-100 |
| M | 75-80 | 100-105 |
| L | 80-85 | 105-110 |
| XL | 85-90 | 110-115 |
| XXL | 90-95 | 115-120 |
| Bust (cm) | Underbust (cm) | Waist (cm) | |
| XS | 80-85 | 70-75 | 65-70 |
| S | 85-90 | 75-80 | 70-75 |
| M | 90-95 | 80-85 | 75-80 |
| L | 95-100 | 85-90 | 80-85 |
| XL | 100-105 | 90-95 | 85-90 |
| XXL | 105-110 | 95-100 | 90-95 |
|
MSCR SIZE |
AU |
US |
UK |
EU |
|
XS |
6-8 |
2-4 |
6-8 |
34-36 |
|
S |
8-10 |
4-6 |
8-10 |
36-38 |
|
M |
10-12 |
6-8 |
10-12 |
38-40 |
|
L |
12-14 |
8-10 |
12-14 |
40-42 |
|
XL |
14-16 |
10-12 |
14-16 |
42-44 |
|
XXL |
16-18 |
12-14 |
16-18 |
44-46 |
*For the most accurate fit we recommend referring to our measurement guidelines above.
TOPS
| Chest (cm) | Waist (cm) | |
| XS | 92-97 | 70-75 (28 inch) |
| S | 97-102 | 75-80 (30 Inch) |
| M | 102-107 | 80-95 (32 Inch) |
| L | 107-112 | 85-90 (34 Inch) |
| XL | 112-117 | 90-95 (36 Inch) |
| XXL | 117-122 | 95-100 (38 Inch) |
| XXXL | 122-127 | 100-105 (40 Inch) |
BOTTOMS
| Waist (cm) | Hips (cm) | |
| XS | 70-75 (28 inch) | 85-90 |
| S | 75-80 (30 Inch) | 90-95 |
| M | 80-95 (32 Inch) | 95-100 |
| L | 85-90 (34 Inch) | 100-105 |
| XL | 90-95 (36 Inch) | 105-110 |
| XXL | 95-100 (38 Inch) | 110-115 |
| XXXL | 100-105 (40 Inch) | 115-120 |
When every piece in your kit is made from the same fabric and construction, it just works better together. Muscle Republic's seamless activewear is designed so that the compression, weight, and knit are consistent across the whole range. The tops move with your arms the same way the Seamless Leggings move with your legs. Nothing bunches, pulls, or fights against anything else. That's the difference between throwing an outfit together and actually building a kit.
Your training changes day to day, and your gear should keep up. A Seamless Top built with the same compression as your base layer means everything moves together instead of working against each other. On shorter, harder sessions, Bike Shorts fit right into the same system without missing a beat. Gear built for athletes who are just as deliberate about what they wear as how they train.
Choose the lineup, then build within it. Seamless activewear holds its shape over repeated wear and performs consistently across every session, every week. Complete the kit with a Sports Bra engineered to the same seamless standard, or explore the full line-up across the Women's Collection for pieces that extend the outfit beyond the gym floor. The athlete who builds with intention never starts from scratch. Shop Seamless Activewear at Muscle Republic and train in a kit built as one.