| Unit | Sizes | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US & Canada | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| UK | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 |
| Europe | 35 | 35 | 35-36 | 36 | 36-37 | 37 | 37-38 | 38 | 38-39 | 39 | 39-40 | 40 | 40-41 | 41 | 41-42 | 42 | 42-43 |
| Inches | 8.2 | 8.3 | 8.5 | 8.8 | 8.9 | 9.1 | 9.3 | 9.4 | 9.5 | 9.7 | 9.9 | 10 | 10.2 | 10.3 | 10.5 | 10.7 | 10.9 |
| Centimeters | 20.8 | 21.3 | 21.6 | 22.2 | 22.5 | 23 | 23.5 | 23.8 | 24.1 | 24.6 | 25.1 | 25.4 | 25.9 | 26.2 | 26.7 | 27.1 | 27.6 |
The adidas Adizero Boston 13 Running Shoes are designed to bridge the gap between daily trainers and race-day footwear. Featuring ENERGYRODS 2.0fiberglass propulsion rods that mimic the foot's natural anatomyand a dual-layer midsole of Lightstrike Pro and Lightstrike 2.0 foams, the footwear delivers responsive energy return with a stable, well-balanced ride. The updated technical mesh upper offers improved breathability and structure, while the Continental rubber outsole combined with LIGHTTRAXION technology ensures exceptional grip on varied road surfaceseven in wet conditions. Lightweight mesh upper contains a minimum of 50% recycled content. Textile lining and cushioned insole. Lace-up closure. Iconic three-stripe at the lateral side. Rounded toe design.