






adidas Marquee Boost 'Grey Gum' BB9300

Experience unparalleled style and performance with the adidas Marquee Boost 'Grey Gum' BB9300. These sneakers feature a breathable mesh upper in a sleek grey colorway, perfectly accentuated by a classic gum sole. The Boost cushioning technology ensures maximum energy return and supreme comfort, making them ideal for both on-court dominance and off-court activities. With their modern design and premium materials, the Marquee Boost 'Grey Gum' seamlessly blends fashion and functionality for the ultimate footwear experience.
| US M | US W | UK | EU | CM |
|---|
| 3M | 4W | 2.5 | 35 | 21 |
| 3.5M | 4.5W | 3 | 35 1/2 | 21.5 |
| 4M | 5W | 3.5 | 36 | 22 |
| 4.5M | 5.5W | 4 | 36 2/3 | 22.5 |
| 5M | 6W | 4.5 | 37 1/3 | 23 |
| 5.5M | 6.5W | 5 | 38 | 23.5 |
| 6M | 7W | 5.5 | 38 2/3 | 24 |
| 6.5M | 7.5W | 6 | 39 1/3 | 24.5 |
| 7M | 8W | 6.5 | 40 | 25 |
| 7.5M | 8.5W | 7 | 40 2/3 | 25.5 |
| 8M | 9W | 7.5 | 41 1/3 | 26 |
| 8.5M | 9.5W | 8 | 42 | 26.5 |
| 9M | 10W | 8.5 | 42 2/3 | 27 |
| 9.5M | 10.5W | 9 | 43 1/3 | 27.5 |
| 10M | 11W | 9.5 | 44 | 28 |
| 10.5M | 11.5W | 10 | 44 2/3 | 28.5 |
| 11M | 12W | 10.5 | 45 1/3 | 29 |
| 11.5M | 12.5W | 11 | 46 | 29.5 |
| 12M | 13W | 11.5 | 46 2/3 | 30 |
| 12.5M | 13.5W | 12 | 47 1/3 | 30.5 |
| 13M | 14W | 12.5 | 48 | 31 |
| 13.5M | 14.5W | 13 | 48 2/3 | 31.5 |
| 14M | 15W | 13.5 | 49 1/3 | 32 |
| 14.5M | 15.5W | 14 | 50 | 32.5 |
| 15M | 16W | 14.5 | 50 2/3 | 33 |
| 16M | 16.5W | 15 | 51 1/3 | 33.5 |
| 17M | 17W | 16 | 52 2/3 | 34.5 |
| 18M | 17.5W | 17 | 53 1/3 | 35 |
| 19M | 18W | 18 | 54 2/3 | 35.5 |
| 20M | 18.5W | 19 | 55 2/3 | 36 |
Novelship employs a strict verification process where each product is unboxed to allow thorough inspection of the product, including the packaging, exterior appearance, interior components, and accessories. Defects and imperfections are flagged, and our authentication team determines the legitimacy of each product before final approval.
- Requests must be made within 30 days of the Shipment Completion Date (from your first contact).
- Products must be unused, in original condition, with the Novelship authentication tag attached.
- Buyers are responsible for return shipping fees.
- Return address will be provided after you agree to the return terms.
- Refund amount will be reviewed and finalized by our internal/finance team, and issued to the original payment method after verification.
Please speak to our Customer Service specialists before performing any such returns. Novelship reserves the final decision on whether a return is allowable.
Requests for size exchanges can only be made within 30 days of the shipping date and are subject to availability.
Please contact our customer service team before returning any product.
For further information, please refer to our Term and Conditions.
Experience unparalleled style and performance with the adidas Marquee Boost 'Grey Gum' BB9300. These sneakers feature a breathable mesh upper in a sleek grey colorway, perfectly accentuated by a classic gum sole. The Boost cushioning technology ensures maximum energy return and supreme comfort, making them ideal for both on-court dominance and off-court activities. With their modern design and premium materials, the Marquee Boost 'Grey Gum' seamlessly blends fashion and functionality for the ultimate footwear experience.
Novelship employs a strict verification process where each product is unboxed to allow thorough inspection of the product, including the packaging, exterior appearance, interior components, and accessories. Defects and imperfections are flagged, and our authentication team determines the legitimacy of each product before final approval.
- Requests must be made within 30 days of the Shipment Completion Date (from your first contact).
- Products must be unused, in original condition, with the Novelship authentication tag attached.
- Buyers are responsible for return shipping fees.
- Return address will be provided after you agree to the return terms.
- Refund amount will be reviewed and finalized by our internal/finance team, and issued to the original payment method after verification.
Please speak to our Customer Service specialists before performing any such returns. Novelship reserves the final decision on whether a return is allowable.
Requests for size exchanges can only be made within 30 days of the shipping date and are subject to availability.
Please contact our customer service team before returning any product.
For further information, please refer to our Term and Conditions.





