Nike
Nike Air Max Plus Obsidian Aluminum
Estimated arrival: 5–7 business days
Couldn't load pickup availability
Size Guide
Size Guide
Find your best fit with our UK shoe size guide. Select a brand below to jump to the most relevant size chart for UK, US, EU and CM sizing.
Nike / Air Jordan / Jordan Adult Size Chart
Use this chart for Nike, Air Jordan, Jordan and most Nike-based collaboration footwear, including Travis Scott Jordan styles.
| US Men's | US Women's | UK | EU | Foot Length (in) | Foot Length (cm) |
|---|---|---|---|---|---|
| 3.5 | 5 | 3 | 35.5 | 8 1/2" | 21.6 cm |
| 4 | 5.5 | 3.5 | 36 | 8 11/16" | 22 cm |
| 4.5 | 6 | 4 | 36.5 | 8 13/16" | 22.4 cm |
| 5 | 6.5 | 4.5 | 37.5 | 9" | 22.9 cm |
| 5.5 | 7 | 5 | 38 | 9 3/16" | 23.3 cm |
| 6 | 7.5 | 5.5 | 38.5 | 9 5/16" | 23.7 cm |
| 6.5 | 8 | 6 | 39 | 9 1/2" | 24.1 cm |
| 7 | 8.5 | 6 | 40 | 9 11/16" | 24.5 cm |
| 7.5 | 9 | 6.5 | 40.5 | 9 13/16" | 25 cm |
| 8 | 9.5 | 7 | 41 | 10" | 25.4 cm |
| 8.5 | 10 | 7.5 | 42 | 10 3/16" | 25.8 cm |
| 9 | 10.5 | 8 | 42.5 | 10 5/16" | 26.2 cm |
| 9.5 | 11 | 8.5 | 43 | 10 1/2" | 26.7 cm |
| 10 | 11.5 | 9 | 44 | 10 11/16" | 27.1 cm |
| 10.5 | 12 | 9.5 | 44.5 | 10 13/16" | 27.5 cm |
| 11 | 12.5 | 10 | 45 | 11" | 27.9 cm |
| 11.5 | 13 | 10.5 | 45.5 | 11 3/16" | 28.3 cm |
| 12 | 13.5 | 11 | 46 | 11 5/16" | 28.8 cm |
| 12.5 | 14 | 11.5 | 47 | 11 1/2" | 29.2 cm |
| 13 | 14.5 | 12 | 47.5 | 11 11/16" | 29.6 cm |
| 13.5 | 15 | 12.5 | 48 | 11 13/16" | 30 cm |
| 14 | 15.5 | 13 | 48.5 | 12" | 30.5 cm |
| 14.5 | 16 | 13.5 | 49 | 12 3/16" | 30.9 cm |
| 15 | 16.5 | 14 | 49.5 | 12 5/16" | 31.3 cm |
| 15.5 | 17 | 14.5 | 50 | 12 1/2" | 31.7 cm |
| 16 | 17.5 | 15 | 50.5 | 12 11/16" | 32.2 cm |
| 16.5 | 18 | 15.5 | 51 | 12 13/16" | 32.6 cm |
| 17 | 18.5 | 16 | 51.5 | 13" | 33 cm |
| 17.5 | 19 | 16.5 | 52 | 13 3/16" | 33.4 cm |
| 18 | 19.5 | 17 | 52.5 | 13 5/16" | 33.9 cm |
| 18.5 | 20 | 17.5 | 53 | 13 1/2" | 34.3 cm |
| 19 | 20.5 | 18 | 53.5 | 13 11/16" | 34.7 cm |
| 19.5 | 21 | 18.5 | 54 | 13 13/16" | 35.1 cm |
| 20 | 21.5 | 19 | 54.5 | 14" | 35.5 cm |
| 20.5 | 22 | 19.5 | 55 | 14 3/16" | 36 cm |
| 21 | 22.5 | 20 | 55.5 | 14 5/16" | 36.4 cm |
| 21.5 | 23 | 20.5 | 56 | 14 1/2" | 36.8 cm |
| 22 | 23.5 | 21 | 56.5 | 14 11/16" | 37.2 cm |
Adidas Adult Size Chart
This chart is included for full size-guide coverage and can be kept even if Adidas is not currently featured in your main brand menu.
| US Men's | US Women's | UK | EU | Foot Length (in) | Foot Length (cm) |
|---|---|---|---|---|---|
| 4 | 5 | 3.5 | 36 | 8.7" | 22.1 cm |
| 4.5 | 5.5 | 4 | 36 2/3 | 8.9" | 22.5 cm |
| 5 | 6 | 4.5 | 37 1/3 | 9.0" | 22.9 cm |
| 5.5 | 6.5 | 5 | 38 | 9.2" | 23.3 cm |
| 6 | 7 | 5.5 | 38 2/3 | 9.4" | 23.8 cm |
| 6.5 | 7.5 | 6 | 39 1/3 | 9.5" | 24.2 cm |
| 7 | 8 | 6.5 | 40 | 9.7" | 24.6 cm |
| 7.5 | 8.5 | 7 | 40 2/3 | 9.8" | 25.0 cm |
| 8 | 9 | 7.5 | 41 1/3 | 10" | 25.5 cm |
| 8.5 | 9.5 | 8 | 41 | 10.2" | 25.9 cm |
| 9 | 10 | 8.5 | 42 2/3 | 10.4" | 26.3 cm |
| 9.5 | 10.5 | 9 | 43 1/3 | 10.5" | 26.7 cm |
| 10 | 11 | 9.5 | 44 | 10.7" | 27.1 cm |
| 10.5 | 11.5 | 10 | 44 2/3 | 10.9" | 27.6 cm |
| 11 | 12 | 10.5 | 45 1/3 | 11.0" | 28.0 cm |
| 11.5 | 12.5 | 11 | 46 | 11.2" | 28.4 cm |
| 12 | 13 | 11.5 | 46 2/3 | 11.3" | 28.8 cm |
| 12.5 | 13.5 | 12 | 47 1/3 | 11.5" | 29.3 cm |
| 13 | 14 | 12.5 | 48 | 11.7" | 29.7 cm |
| 13.5 | 14.5 | 13 | 48 2/3 | 11.9" | 30.1 cm |
| 14 | 15 | 13.5 | 49 1/3 | 12.0" | 30.5 cm |
| 14.5 | 15.5 | 14 | 50 | 12.2" | 31.0 cm |
| 15 | - | 14.5 | 50 2/3 | 12.4" | 31.4 cm |
| 16 | - | 15 | 51 1/3 | 12.7" | 31.8 cm |
| 17 | - | 16 | 52 2/3 | 13.0" | 32.6 cm |
| 18 | - | 17 | 53 1/3 | 13.3" | 33.5 cm |
| 19 | - | 18 | 53 1/3 | 13.7" | 34.3 cm |
| 20 | - | 19 | 55 2/3 | 14.0" | 35.2 cm |
New Balance Size Guide
For New Balance styles, use your usual UK size as a starting point and compare it with the general men's or women's shoe chart below. Fit may vary across 530, 550, 9060, 1906R, 2002R and 204L styles.
View general shoe chartASICS Size Guide
For ASICS styles such as GEL-NYC, GEL-1130, GEL-KAYANO 14 and GT-2160, compare your UK size with the general men's or women's chart below. Some ASICS lifestyle runners can feel snug depending on foot width.
View general shoe chartUGG Size Guide
For UGG styles, use the general shoe conversion chart as a guide. Lined styles may feel snug at first and can relax with wear depending on the model.
View general shoe chartMen's Shoes Size Chart
Use this general conversion chart for brands including New Balance, ASICS, UGG, Saucony, Puma, Birkenstock, Timberland, Crocs, Converse, Salomon and Vans when a product-specific chart is not available.
| US Men's | US Women's | UK | EU | Foot Length (in) | Foot Length (cm) |
|---|---|---|---|---|---|
| 3.5 | 5 | 3 | 35.5 | 8 1/2 | 21.6 |
| 4 | 5.5 | 3.5 | 36 | 8 11/16 | 22 |
| 4.5 | 6 | 4 | 36.5 | 8 13/16 | 22.4 |
| 5 | 6.5 | 4.5 | 37.5 | 9 | 22.9 |
| 5.5 | 7 | 5 | 38 | 9 3/16 | 23.3 |
| 6 | 7.5 | 5.5 | 38.5 | 9 5/16 | 23.7 |
| 6.5 | 8 | 6 | 39 | 9 1/2 | 24.1 |
| 7 | 8.5 | 6 | 40 | 9 11/16 | 24.5 |
| 7.5 | 9 | 6.5 | 40.5 | 9 13/16 | 25 |
| 8 | 9.5 | 7 | 41 | 10 | 25.4 |
| 8.5 | 10 | 7.5 | 42 | 10 3/16 | 25.8 |
| 9 | 10.5 | 8 | 42.5 | 10 5/16 | 26.2 |
| 9.5 | 11 | 8.5 | 43 | 10 1/2 | 26.7 |
| 10 | 11.5 | 9 | 44 | 10 11/16 | 27.1 |
| 10.5 | 12 | 9.5 | 44.5 | 10 13/16 | 27.5 |
| 11 | 12.5 | 10 | 45 | 11 | 27.9 |
| 11.5 | 13 | 10.5 | 45.5 | 11 3/16 | 28.3 |
| 12 | 13.5 | 11 | 46 | 11 5/16 | 28.8 |
| 12.5 | 14 | 11.5 | 47 | 11 1/2 | 29.2 |
| 13 | 14.5 | 12 | 47.5 | 11 11/16 | 29.6 |
| 13.5 | 15 | 12.5 | 48 | 11 13/16 | 30 |
| 14 | 15.5 | 13 | 48.5 | 12 | 30.5 |
| 14.5 | 16 | 13.5 | 49 | 12 3/16 | 30.9 |
| 15 | 16.5 | 14 | 49.5 | 12 5/16 | 31.3 |
| 15.5 | 17 | 14.5 | 50 | 12 1/2 | 31.7 |
| 16 | 17.5 | 15 | 50.5 | 12 11/16 | 32.2 |
| 16.5 | 18 | 15.5 | 51 | 12 13/16 | 32.6 |
| 17 | 18.5 | 16 | 51.5 | 13 | 33 |
| 17.5 | 19 | 16.5 | 52 | 13 3/16 | 33.4 |
| 18 | 19.5 | 17 | 52.5 | 13 5/16 | 33.9 |
| 18.5 | 20 | 17.5 | 53 | 13 1/2 | 34.3 |
| 19 | 20.5 | 18 | 53.5 | 13 11/16 | 34.7 |
| 19.5 | 21 | 18.5 | 54 | 13 13/16 | 35.1 |
| 20 | 21.5 | 19 | 54.5 | 14 | 35.5 |
| 20.5 | 22 | 19.5 | 55 | 14 3/16 | 36 |
| 21 | 22.5 | 20 | 55.5 | 14 5/16 | 36.4 |
| 21.5 | 23 | 20.5 | 56 | 14 1/2 | 36.8 |
Women's Shoes Size Chart
| US Women's | US Men's | UK | EU | Foot Length (in) | Foot Length (cm) |
|---|---|---|---|---|---|
| 3.5 | 2 | 1.5 | 33.5 | 8 3/16 | 20.8 |
| 4 | 2.5 | 1.5 | 34.5 | 8 5/16 | 21.2 |
| 4.5 | 3 | 2 | 35 | 8 1/2 | 21.6 |
| 5 | 3.5 | 2.5 | 35.5 | 8 11/16 | 22 |
| 5.5 | 4 | 3 | 36 | 8 13/16 | 22.4 |
| 6 | 4.5 | 3.5 | 36.5 | 9 | 22.9 |
| 6.5 | 5 | 4 | 37.5 | 9 3/16 | 23.3 |
| 7 | 5.5 | 4.5 | 38 | 9 5/16 | 23.7 |
| 7.5 | 6 | 5 | 38.5 | 9 1/2 | 24.1 |
| 8 | 6.5 | 5.5 | 39 | 9 11/16 | 24.5 |
| 8.5 | 7 | 6 | 40 | 9 13/16 | 25 |
| 9 | 7.5 | 6.5 | 40.5 | 10 | 25.4 |
| 9.5 | 8 | 7 | 41 | 10 3/16 | 25.8 |
| 10 | 8.5 | 7.5 | 42 | 10 5/16 | 26.2 |
| 10.5 | 9 | 8 | 42.5 | 10 1/2 | 26.7 |
| 11 | 9.5 | 8.5 | 43 | 10 11/16 | 27.1 |
| 11.5 | 10 | 9 | 44 | 10 13/16 | 27.5 |
| 12 | 10.5 | 9.5 | 44.5 | 11 | 27.9 |
| 12.5 | 11 | 10 | 45 | 11 3/16 | 28.3 |
| 13 | 11.5 | 10.5 | 45.5 | 11 5/16 | 28.8 |
| 13.5 | 12 | 11 | 46 | 11 1/2 | 29.2 |
| 14 | 12.5 | 11.5 | 47 | 11 11/16 | 29.6 |
| 14.5 | 13 | 12 | 47.5 | 11 13/16 | 30 |
| 15 | 13.5 | 12.5 | 48 | 12 | 30.5 |
| 15.5 | 14 | 13 | 48.5 | 12 3/16 | 30.9 |
| 16 | 14.5 | 13.5 | 49 | 12 5/16 | 31.3 |
| 16.5 | 15 | 14 | 50 | 12 1/2 | 31.7 |
| 17 | 15.5 | 14.5 | 50.5 | 12 11/16 | 32.2 |
| 17.5 | 16 | 15 | 51 | - | - |
| 18 | 16.5 | 15.5 | 51.5 | - | - |
| 18.5 | 17 | 16 | 52 | - | - |
| 19 | 17.5 | 16.5 | 52.5 | - | - |
| 19.5 | 18 | 17 | 53 | - | - |
| 20 | 18.5 | 17.5 | 53.5 | - | - |
| 20.5 | 19 | 18 | 54 | - | - |
| 21 | 19.5 | 18.5 | 54.5 | - | - |
| 21.5 | 20 | 19 | 55 | - | - |
| 22 | 20.5 | 19.5 | 55.5 | - | - |
| 22.5 | 21 | 20 | 56 | - | - |
Grade School (GS) Kids Shoes
| US Kids | UK | EU | Foot Length (in) |
|---|---|---|---|
| 1Y | 13.5 | 32 | 7 15/16 |
| 1.5Y | 1 | 33 | 8 1/16 |
| 2Y | 1.5 | 33.5 | 8 4/16 |
| 2.5Y | 2 | 34 | 8 7/16 |
| 3Y | 2.5 | 35 | 8 9/16 |
| 3.5Y | 3 | 35.5 | 8 12/16 |
| 4Y | 3.5 | 36 | 8 13/16 |
| 4.5Y | 4 | 36.5 | 8 15/16 |
| 5Y | 4.5 | 37.5 | 9 2/16 |
| 5.5Y | 5 | 38 | 9 4/16 |
| 6Y | 5.5 | 38.5 | 9 6/16 |
| 6.5Y | 6 | 39 | 9 9/16 |
| 7Y | 6 | 40 | 9 11/16 |
Pre School (PS) Kids Shoes
| US Kids | UK | EU | Foot Length (in) |
|---|---|---|---|
| 8C | 7.5 | 25 | 5 15/16 |
| 9C | 8.5 | 26 | 6 4/16 |
| 10C | 9.5 | 27 | 6 9/16 |
| 10.5C | 10 | 27.5 | 6 12/16 |
| 11C | 10.5 | 28 | 6 15/16 |
| 11.5C | 11 | 28.5 | 7 1/16 |
| 12C | 11.5 | 29.5 | 7 4/16 |
| 12.5C | 12 | 30 | 7 7/16 |
| 13C | 12.5 | 31 | 7 9/16 |
| 13.5C | 13 | 31.5 | 7 12/16 |
| 1Y | 13.5 | 32 | 7 15/16 |
| 1.5Y | 1 | 33 | 8 1/16 |
| 2Y | 1.5 | 33.5 | 8 4/16 |
| 2.5Y | 2 | 34 | 8 7/16 |
| 3Y | 2.5 | 35 | 8 9/16 |
Toddler (TD) and Infant Shoes
| US Kids | Age (Months) | UK | EU | Foot Length (in) |
|---|---|---|---|---|
| 1C | 3 | 0.5 | 16 | 3 9/16 |
| 2C | 6 | 1.5 | 17 | 3 15/16 |
| 3C | 9 | 2.5 | 18.5 | 4 4/16 |
| 4C | 12 | 3.5 | 19.5 | 4 9/16 |
| 5C | 18 | 4.5 | 21 | 4 15/16 |
| 6C | 24 | 5.5 | 22 | 5 4/16 |
| 7C | 36 | 6.5 | 23.5 | 5 9/16 |
| 8C | - | 7.5 | 25 | 5 15/16 |
| 9C | - | 8.5 | 26 | 6 4/16 |
| 10C | - | 9.5 | 27 | 6 9/16 |
Apparel Sizing - Inches
Use these apparel charts for clothing-focused brands such as Supreme, AMI, Corteiz and Stussy. Measurements are approximate.
Men's Clothes (ft/in)
| Measurement | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|
| Height | 5'1" | 5'4" | 5'7" | 5'10" | 5'10" | 6'5" |
| Chest | 31.5" | 34.6" | 37.8" | 41" | 44" | 47.2" |
| Waist | 29" | 34.6" | 31" | 41" | 44.1" | - |
| Hip | 35.4" | 37.4" | 39.4" | 41.3" | 43.3" | - |
Women's Clothes (ft/in)
| Measurement | 2XS | XS | S |
|---|---|---|---|
| Height | 4'11" | 5'1" | 5'3" |
| Bust | 28.3" | 31.1" | 33.9" |
| Waist | 22.8" | 25.2" | 27.2" |
| Hip | 32.7" | 34.3" | 35.8" |
Kids Clothes (ft/in)
| Measurement | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | 160 |
|---|---|---|---|---|---|---|---|---|---|---|
| Age | 6 month | 6-9 month | 9-12 month | 1-2 year | 2-3 year | 4-5 year | 5-6 year | 7-9 year | 10 year | 13 year |
| Height | 25.6" | 29.5" | 33.5" | 3'1" | 3'5" | 3'9" | 4'1" | 4'5" | 4'9" | 155-165 |
Women's Tops (in)
| Size | Numeric Size | Length | Bust | Waist | Hip |
|---|---|---|---|---|---|
| XS | 0-2 | 50.75 | 34.5 | 26.75 | 37.75 |
| S | 2-4 | 50.75 | 35.5 | 27.5 | 38.5 |
| M | 6-8 | 50.75 | 36.25 | 29 | 40.25 |
| L | 8-10 | 51.25 | 37.75 | 30.75 | 41.75 |
| XL | 10-12 | 51.25 | 39.5 | 32.25 | 43.25 |
Women's Bottoms (in)
| Size | Numeric Size | Waist | Hips | Inseam |
|---|---|---|---|---|
| XS | 0-2 | 25.5 | 35.5 | 32 |
| S | 2-4 | 27 | 37 | 32 |
| M | 6-8 | 29 | 39 | 32 |
| L | 8-10 | 31 | 41 | 32 |
| XL | 10-12 | 34 | 44 | 32 |
Apparel Sizing - CM
Metric apparel chart for Supreme, AMI, Corteiz, Stussy and other clothing items. Measurements are approximate.
Men's Clothes (cm)
| Measurement | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|
| Height | 155-165 | 160-170 | 170-178 | 178-188 | 188-196 | 196-203 |
| Chest | 80-88 | 88-96 | 96-104 | 104-112 | 112-120 | 120-127 |
| Waist | 74-76 | 76-79 | 79-84 | 84-91 | 91-99 | 99-104 |
| Hip | 90-95 | 95-100 | 100-105 | 105-110 | 110-105 | 115-120 |
Women's Clothes (cm)
| Measurement | 2XS | XS | S |
|---|---|---|---|
| Height | 152-157 | 155-162 | 160-166 |
| Bust | 72-80 | 79-87 | 86-94 |
| Waist | 58-64 | 64-71 | 69-77 |
| Hip | 83-89 | 87-93 | 91-97 |
Kids and Baby (cm)
| Measurement | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | 160 |
|---|---|---|---|---|---|---|---|---|---|---|
| Age | 6 month | 6-9 month | 9-12 month | 1-2 year | 2-3 year | 4-5 year | 5-6 year | 7-9 year | 10 year | 13 year |
| Height | 65-75 | 75-85 | 85-95 | 95-105 | 105-115 | 115-125 | 125-135 | 135-145 | 145-155 | 155-165 |
Women's Tops (cm)
| Size | Numeric Size | Length | Bust | Waist | Hip |
|---|---|---|---|---|---|
| XS | 0-2 | 128.905 | 87.63 | 67.945 | 95.885 |
| S | 2-4 | 128.905 | 90.17 | 69.85 | 97.79 |
| M | 6-8 | 128.905 | 92.075 | 73.66 | 102.235 |
| L | 8-10 | 130.175 | 95.885 | 78.105 | 106.045 |
| XL | 10-12 | 130.175 | 100.33 | 81.915 | 109.855 |
Women's Bottoms (cm)
| Size | Numeric Size | Waist | Hips | Inseam |
|---|---|---|---|---|
| XS | 0-2 | 64.77 | 90.17 | 81.28 |
| S | 2-4 | 68.58 | 93.98 | 81.28 |
| M | 6-8 | 73.66 | 99.06 | 81.28 |
| L | 8-10 | 78.74 | 104.14 | 81.28 |
| XL | 10-12 | 86.36 | 111.76 | 81.28 |
PRODUCT DETAILS
SKU: IM6601-451
SERIES: Air Max
NICKNAME: Obsidian Aluminum
COLORWAY: Obsidian/Aluminum/Diffused Blue
RELEASE DATE: 09/19/2025
OCCASION: lifestyle
COLOR: Obsidian/Aluminum/Diffused Blue
The Nike Air Max Obsidian/Aluminum/Diffused Blue IM6601-451 in UK sizes captures the retro runner for today's streetwear rotation. Featuring a textile upper with obsidian/aluminum/diffused blue detailing, it delivers a clean balance of athletic heritage and modern high-street style. Engineered with comfort in mind, it incorporates layered runner styling and everyday cushioning for reliable support across daily wear. Whether paired with technical apparel or everyday denim, this versatile silhouette offers all-day comfort and a crisp, rotation-ready look.
Double Boxed UK — verified 100% authentic, UK stock, fast delivery and secure checkout.
BRAND NEW & UNUSED
Every item is brand new, unused and in its original packaging.
AUTHENTICATED
DOUBLE BOXED guarantees authenticity with a thorough inspection and certification process. Every item is inspected for packaging, appearance, components, and accessories. Flaws are intercepted, authenticity is verified by professional certifiers. Only fully authenticated products reach our customers.
SHIPPING & RETURNS
SHIPPING
All orders will ship within 48 hours (excluding weekends and holidays). A tracking number will be emailed to you once the order has been dispatched.
RETURNS
Returns are accepted 7 days after the item has been delivered. The item must be unworn, in its original condition. For full details, see our returns policy below.
For more information, please refer to our Shipping Policy and Return Policy.
09 Jun - 11 Jun estimated delivery
04 Jun
Order placed
05 Jun - 06 Jun
Dispatched
09 Jun - 11 Jun
Delivered
