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![Mens Boston Red Sox Nike Official Replica Road Jersey with Martinez 28 printing, , rebel_hi-res]("https://feeds.frgimages.com/ss4/https://feeds.frgimages.com/ss4/altimages/ss4/p-12066783_pv-1_u-1687sx06q60aazkgfqps_v-6a3cdfb5504643ed9208d4b4cdfe8d34.jpg?_hv=3")
![Mens Boston Red Sox Nike Official Replica Road Jersey with Martinez 28 printing, , rebel_hi-res]("https://feeds.frgimages.com/ss4/https://feeds.frgimages.com/ss4/altimages/ss4/p-12066783_pv-2_u-1687sx06q60aazkgfqps_v-5f4b48c75cc64af282d72addfef4c7f0.jpg?_hv=3")
NIKE SIZE GUIDE
Mens Shirts & Tops
Please note all measurements by default are in centimetres. To change this click the CONVERT button below.
| Size | XXS | XS | S | M | L | XL | 2XL | 3XL | 4XL |
| Chest | 73 -80 | 81- 88 | 89 - 96 | 97 -104 | 105-113 | 114 -123 | 124-133 | 134-143 | 144 -153 |
| Waist | 60- 67 | 68-75 | 76- 83 | 84- 91 | 92-100 | 101- 110 | 111- 121 | 122 - 132 | 133-143 |
| Hip | 72- 79 | 80 - 87 | 88 - 95 | 96-103 | 104-112 | 113- 122 | 123 - 132 | 133- 142 | 143- 152 |
Fitment Guide - Mens Tops
1. Chest
Using a flexible tape measure, measure around underneath your armpits or at your fullest part.
2. Waist
Measure around your natural waist-line.
3. Hips
Measure at the widest point around your hips.
Please note all measurements by default are in centimetres. To change this click the CONVERT button below.
Mens Bottoms
| Size | XS | S | M | L | XL | XXL | 3XL |
| Waist | 65 - 73 | 73 - 81 | 81 - 89 | 89 - 97 | 97 - 109 | 109 - 121 | 121 - 133 |
| Hips | 80 - 88 | 88 - 96 | 96 - 104 | 104 - 112 | 112 - 120 | 120 - 128 | 128 - 136 |
| Height | 170 - 83 | 170 - 183 | 170 - 183 | 170 - 183 | 170 - 183 | 170 - 183 | 170 - 183 |
Fitment Guide - Mens Bottoms
1. Waist
Measure around your natural waist-line.
2. Hips
Measure at the widest point around your hips.
3. Inseam
Measure from the crotch seam all the way to the bottom of the shorts/pants leg.
Shoe sizes on product details pages are in US shoe size. Your foot length (in cm) will be different than the CM size on your shoe box. CM size refers to a sizing system, like US, UK, EUR, and should not be confused with the length of the foot
Mens Shoes
| US | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 15 | 16 | 17 | 18 |
| UK | 5.5 | 6 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 14 | 15 | 16 | 17 |
| EU | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 47 | 47.5 | 48 | 48.5 | 49.5 | 50.5 | 51.5 | 52.5 |
| FOOT CM | 23.7 | 24.1 | 24.5 | 25 | 25.4 | 25.8 | 26.2 | 26.7 | 27.1 | 27.5 | 27.9 | 28.3 | 28.8 | 29.2 | 29.6 | 30 | 30.5 | 31.3 | 32.2 | 33 | 33.9 |
| FOOT IN | 9.3 | 9.5 | 9.6 | 9.8 | 10 | 10.2 | 10.3 | 10.5 | 10.7 | 10.8 | 11 | 11.1 | 11.3 | 11.5 | 11.7 | 11.8 | 12 | 12.3 | 12.7 | 13 | 13.3 |
Unisex Shoes
| US MEN | 3.5 | 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 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 |
| US WOMEN | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 |
| UK | 3 | 3.5 | 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 | 12.5 | 13 | 13.5 | 14 | 14.5 |
| EU | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 47 | 47.5 | 48 | 48.5 | 49 | 49.5 |
| FOOT CM | 22.5 | 23 | 23.5 | 23.5 | 24 | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 30.5 | 31 | 31.5 | 32 | 32.5 | 33 |
| FOOT IN | 8.9 | 9.1 | 9.3 | 9.3 | 9.5 | 9.5 | 9.6 | 9.8 | 10 | 10.2 | 10.4 | 10.6 | 10.8 | 11 | 11.2 | 11.4 | 11.6 | 11.8 | 12 | 12.2 | 12.4 | 12.6 | 12.8 | 13 |
Fitment Guide - Footwear
1. Heel to Toe
On your foot measure from the middle of the heel to the longest toe for each foot. If one foot is longer than the other take the longest measurement and round up or down to the closest 2mm.
Please note all measurements are in centimetresinches.
*Our Plus Size products are more than simply 'extended', they are meticulously proportioned to the needs of the body (Size 1X to 3X).
Womens Tops
| Nike Size | XS | S | M | L | XL | XXL |
| US Size | 0–2 | 4–6 | 8–10 | 12–14 | 16–18 | 20–22 |
| Bust | 76 -83 | 83 -90 | 90 -97 | 97 -104 | 104 -114 | 114 -124 |
| Waist | 60–67 | 67–74 | 74–81 | 81–88 | 88–98 | 98–108 |
| Hips | 84 -91 | 91 -98 | 98 -105 | 105 -112 | 112 -120 | 120 -128 |
Womens Plus Tops
| Nike Size | 1X* | 2X* | 3X* |
| US Size | 16W–18W | 20W–22W | 24W–26W |
| Bust | 114 -124 | 124 -134 | 134 -144 |
| Waist | 104 -114 | 114 -124 | 124 -134 |
| Hips | 118 -128 | 128 -138 | 138 -148 |
Fitment Guide - Womens Tops
1. Chest/Bust
Using a flexible tape measure, measure around underneath your armpits or at your fullest part.
2. Waist
Measure around your natural waist-line.
3. Hips
Measure at the widest point around your hips.
Womens Sports Bras
| Alpha Size | XS | S | M | L | XL | XXL |
| Band/Cup Size US | 30A -30E / 32A-32B | 32C - 32E / 34A - 34C | 34D - 34E / 36A -36C | 36D - 36E / 38A - 38C | 38D - 38E / 40A - 40C | 40D - 40E / 42 |
| Band/Cup Size AU/NZ | 8A - 8E / 10A - 10B | 10C - 10E / 12A - 12C | 12D - 12E / 14A - 14C | 14D - 14E / 16A - 16C | 16D - 16E / 18A - 18C | 18D - 18E / 20A - 20C |
Womens Sports Bras - Cup Specific Sizing
| Alpha Size | XS (A-C) | XS (D-E) | XS (F-G) | S (A-C) | S (C-E) | S (F-G) | M (A-B) | M (C-E) | M (F-G) | L (A-B) | L (C-E) | L (F-G) | XL (A -B) | XL (C-E) | XL (F-G) | XXL (A-B) | XXL (C-E) | XXL (F-G) |
| Band/Cup Size US | 30A -30C / 32A-32B | 30D - 30E | 30F - 30G | 32A - 32B / 34C | 32D - 32E / 34C | 32F - 32G | 36A -36B | 36C / 34D - 34E | 34F -34G | 38A - 38B | 38C / 36D - 36E | 36F - 36G | 40A - 40B | 40C / 38D - 38E | 38F - 38G | 42A - 42B | 42C / 40D - 40E | 40F - 40G |
| Band/Cup Size AU/NZ | 8A - 8E / 10A - 10B | 8D - 8E | 8F - 8G | 12A - 12B /10C | 12D - 12E /12C | 10F - 10G | 14A - 14B | 14C / 12D -12E | 12F - 12G | 16A - 16B | 16C / 14D- 14E | 14F - 14G | 18A - 18C | 18C / 16D - 16E | 16F - 16G | 20A - 20B | 20C / 18D - 18E | 18F - 18G |
Womens Plus Size Sports Bras
| Alpha Size | 1X | 2X | 3X | 4X |
| Band/Cup Size US | 42D - 40E / 44A - 44C | 44D - 44E / 46A - 46C | 46D - 46E / 48A - 48C | 48D -59E / 50A - 50C |
| Band/Cup Size AU/NZ | 20D - 20E / 22A - 22C | 22D - 22E / 24A - 24C | 24D - 24E / 26A - 26C | 26D - 26E / 28A - 28C |
Womens Plus Size Sports Bras - Cup Specific Sizing
| Alpha Size | 1X (A-B) | 1X (D-E) | 1X (F-G) | 2X (A-B) | 2X (C-E) | 2X (F-G) | 3X (A-B) | 3X (C-E) | 3X (F-G) | 4X (A-B) | 4X (C-E) | 4X (F-G) |
| Band/Cup Size US | 44A -44B | 44C / 42D -42E | 42F - 42G | 46A - 46B | 46C / 44D - 44E | 44F - 44G | 48A - 48B | 48C / 46D - 46E | 46F - 48G | 50A - 50B | 50C / 48D - 48E | 48F - 48G |
| Band/Cup Size AU/NZ | 22A -22B | 22C / 20D - 20E | 20F - 20G | 24A - 24B | 24C / 22D - 22E | 22F - 22G | 26A - 26B | 26C/ 24D - 24E | 24F - 24E | 28A - 28B | 28C / 26D - 26E | 26F - 28G |
Please note all measurements are in centimetresinches.
*Our Plus Size products are more than simply 'extended', they are meticulously proportioned to the needs of the body (Size 1X to 3X).
Womens Bottoms
| Nike Size | XS | S | M | L | XL | XXL |
| US Size | 0–2 | 4–6 | 8–10 | 12–14 | 16–18 | 20–22 |
| Waist | 60 -67 | 67 -74 | 74 -81 | 81 -88 | 88 -98 | 98 -108 |
| Hips | 84 -91 | 91 -98 | 98 -105 | 105 -112 | 112 -120 | 120 -128 |
| Height | 163 -173 | 163 -173 | 163 -173 | 163 -173 | 163 -173 | 163 -173 |
Womens Plus Size Bottoms
| Nike Size | 1X* | 2X* | 3X* |
| US Size | 16W-18W | 20W-22W | 24W-26W |
| Waist | 98 -108 | 108 -118 | 118 -128 |
| Hips | 120 -128 | 128 -138 | 138 -148 |
| Height | 163 -173 | 163 -173 | 163 -173 |
Fitment Guide - Womens Bottoms
1. Waist
Measure around your natural waist-line.
2. Hips
Measure at the widest point around your hips.
3. Inseam
Measure from the crotch seam all the way to the bottom of the shorts/pants leg.
Shoe sizes on product details pages are in US shoe size. Your foot length (in cm) will be different than the CM size on your shoe box. CM size refers to a sizing system, like US, UK, EUR, and should not be confused with the length of the foot
Womens Shoes
| US | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| UK | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 |
| EU | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 |
| FOOT CM | 22 | 22.4 | 22.9 | 23.3 | 23.7 | 24.1 | 24.5 | 25 | 25.4 | 25.8 | 26.2 | 26.7 | 27.1 | 27.5 | 27.9 |
| FOOT IN | 8.7 | 8.8 | 9 | 9.2 | 9.3 | 9.5 | 9.6 | 9.8 | 10 | 10.2 | 10.3 | 10.5 | 10.7 | 10.8 | 11 |
Unisex Shoes
| US MEN | 3.5 | 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 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 |
| US WOMEN | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 |
| UK | 3 | 3.5 | 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 | 12.5 | 13 | 13.5 | 14 | 14.5 |
| EU | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 47 | 47.5 | 48 | 48.5 | 49 | 49.5 |
| FOOT CM | 22.5 | 23 | 23.5 | 23.5 | 24 | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 30.5 | 31 | 31.5 | 32 | 32.5 | 33 |
| FOOT IN | 8.9 | 9.1 | 9.3 | 9.3 | 9.4 | 9.4 | 9.7 | 9.8 | 10 | 10.2 | 10.4 | 10.6 | 10/8 | 11 | 11.2 | 11.4 | 11.6 | 11.8 | 12 | 12.2 | 12.4 | 12.6 | 12.8 | 13 |
Fitment Guide - Footwear
1. Heel to Toe
On your foot measure from the middle of the heel to the longest toe for each foot. If one foot is longer than the other take the longest measurement and round up or down to the closest 2mm.
Little Kids Clothing
| Alpha Size | XXS | XS | S | M | L | XL |
| Numeric Size | 3T | 4 | 5 | 6 | 6X/7 | 7X |
| Chest | 53-56 | 56-59 | 59-61 | 61-63 | 63-66 | |
| Waist | 54-56 | 56-58 | 58-59 | 59-60 | 60-61 | |
| Hips | 56-59 | 59-61 | 61-63 | 63-66 | 66-70 | |
| Height | 90-96 | 96-104 | 104-110 | 110-116 | 116-122 | 122-128 |
| Age | 2-3 | 3-4 | 4-5 | 5-6 | 6-7 | 7-8 |
Older Boys Clothing
| Alpha Size | XS | S | M | L | XL |
| Numeric Size | 6-7 | 8-9 | 10-12 | 14-16 | 18-20 |
| Chest | 64.5-66 | 66-69 | 69-75 | 75-81.5 | 81.5-88.5 |
| Waist | 59.5-61.5 | 61.5-65 | 65-69 | 69-72.5 | 72.5-75.5 |
| Hips | 68.5-71 | 71-74.5 | 74.5-79.5 | 79.5-84.5 | 84.5-89.5 |
| Height | 122-128 | 128-137 | 137-147 | 147-158 | 158-170 |
| Age | 6-7 | 8-9 | 10-11 | 12-13 | 14+ |
Older Girls Clothing
| Alpha Size | XS | S | M | L | XL |
| Numeric Size | 6-7 | 8-9 | 10-12 | 14-16 | 18-20 |
| Chest | 64.5-68 | 68-73 | 73-79 | 79-85.5 | 85.5-92.5 |
| Waist | 59.5-61 | 61-64 | 64-68 | 68-71.5 | 71.5-74.5 |
| Hips | 68.5-73 | 73-78.5 | 78.5-83.5 | 83.5-88.5 | 88.5-93.5 |
| Height | 122-128 | 128-137 | 137-146 | 146-156 | 156-166 |
| Age | 6-7 | 8-9 | 10-11 | 12-13 | 14+ |
Fitment Guide - Kids Tops
1. Chest
Using a flexible tape measure, measure around underneath your armpits or at your fullest part.
2. Waist
Measure around your natural waist-line.
3. Hips
Measure at the widest point around your hips.
Fitment Guide - Kids Bottoms
1. Waist
Measure around your natural waist-line.
2. Hips
Measure at the widest point around your hips.
3. Inseam
Measure from the crotch seam all the way to the bottom of the shorts/pants leg.
Shoe sizes on product details pages are in US shoe size. Your foot length (in cm) will be different than the CM size on your shoe box. CM size refers to a sizing system, like US, UK, EUR, and should not be confused with the length of the foot
Kids Shoes
| US | 1C | 1.5C | 2C | 2.5C | 3C | 3.5C | 4C | 4.5C | 5C | 5.5C | 6C | 6.5C | 7C | 7.5C | 8C | 8.5C | 9C | 9.5C | 10C | 10.5C | 11C | 11.5C | 12C | 12.5C | 13C | 13.5C |
| UK | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5C | 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 | 12.5 | 13 |
| EU | 16 | 16.5 | 17 | 18 | 18.5 | 19 | 19.5 | 20 | 21 | 21.5 | 22 | 22.5 | 23.5 | 24 | 24.5 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29.5 | 30 | 31 | 31.5 |
| FOOT CM | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 | 17.5 | 18 | 18.5 | 19 | 19.5 |
| FOOT IN | 2.8 | 3 | 3.2 | 3.4 | 3.6 | 3.7 | 3.9 | 4.1 | 4.3 | 4.5 | 4.7 | 4.9 | 5.1 | 5.3 | 5.5 | 5.7 | 5.9 | 6.1 | 6.3 | 6.5 | 6.7 | 6.9 | 7.1 | 7.3 | 7.5 | 7.7 |
Youth Shoes
| US YOUTH | 1Y | 1.5Y | 2Y | 2.5Y | 3Y | 3.5Y | 4Y | 4.5Y | 5Y | 5.5Y | 6Y | 6.5Y | 7Y |
| US M / W | W5.5 | W6 | W6.5 | W7 | M6 / W7.5 | M6.5 / W8 | M7 / W8.5 | ||||||
| EU YOUTH | 32 | 33 | 33.5 | 34 | 35 | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 |
| EU M / W | W36 | W36.5 | W37.5 | W38 | M38.5 / W38.5 | M39 / W39 | M40 / W40 | ||||||
| UK YOUTH | 13.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6 |
| UK M / W | W3 | W3.5 | W4 | W4.5 | M5.5 / W5 | M6 / W5.5 | M6 / W6 | ||||||
| FOOT (CM) | 20 | 20.5 | 21 | 21.5 | 22 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 |
| FOOT (IN) | 7.9 | 8.1 | 8.3 | 8.5 | 8.7 | 8.9 | 9.1 | 9.3 | 9.5 | 9.6 | 9.8 | 10 | 10.2 |
Fitment Guide - Footwear
1. Heel to Toe
On your foot measure from the middle of the heel to the longest toe for each foot. If one foot is longer than the other take the longest measurement and round up or down to the closest 2mm.
Baby & Toddler Clothing
| Age (Months) | 0–3 | 3–6 | 6–9 | 9–12 | 12–18 | 18–24 | 24–36 | 36-48 |
| US Size | 2T | 3T | 4T | |||||
| Chest | 41 -43 | 43 -45 | 45 -47 | 47 -48 | 48 -50 | 50 -52 | 52 -53 | 53 -56 |
| Waist | 42 -45 | 45 -47 | 47 -48 | 48 -50 | 50 -52 | 52 -54 | 54 -54 | 54 -56 |
| Hips | 42 -45 | 45 -47 | 47 -48 | 48 -50 | 50 -52 | 52 -54 | 54 -56 | 56 -59 |
| Height | 60 -65 | 65 -70 | 70 -75 | 75 -80 | 80 -85 | 85 -90 | 90 -96 | 96 -104 |