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| Size | Chest | Waist | Hip |
|---|---|---|---|
| XXS | 72–80 | 57–65 | 72–80 |
| XS | 80–88 | 65–73 | 80–88 |
| S | 88–96 | 73–81 | 88–96 |
| M | 96–104 | 81–89 | 96–104 |
| L | 104–112 | 89–97 | 104–112 |
| XL | 112–124 | 97–109 | 112–120 |
| XXL | 124–136 | 109–121 | 120–128 |
Listed size: S · body measurements in cm, as published by Nike
Use the brand body chart as a starting point. Ask us for flat measurements of this exact piece to compare with a garment you already wear.
The oldest Rosa & Co. kit in our archive comes from the group's hottest streak: three seasons in which its athletes took a sixteen-year-old world record apart in Chicago, won London twice over and stacked half marathon records like firewood.
2019 opened with Ruth Chepngetich's 2:17:08 course record in Dubai in January; what she did in Doha that autumn was done in Kenya's federation kit and lives in our Kenya 2019 page. On 13 October Brigid Kosgei, raised in the group's Kapsait camp, ran 2:14:04 in Chicago: Paula Radcliffe's world record, 16 years old, gone by 81 seconds. Kosgei had already won London that spring as the youngest champion in the race's history.
A half-zip jersey is the mid layer of an issued athletics kit: a stretch polyester knit with a high collar and a sternum-length zip, worn for cold-weather training and around the stadium.
The zip is the point: a quarter open over a warm-up, closed to the chin in a cold call room. It is the only garment in the kit with a thermostat, and the most wearable piece a team ever issues.