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Mizuno Mens 20K ER Waterproof Jacket

SKU: 66385 - S
£150.00 £99.99 33% off
No Reviews
Mizuno Mens 20K ER Waterproof Jacket
Mizuno Mens 20K ER Waterproof Jacket
Mizuno Mens 20K ER Waterproof Jacket
Stay dry, light, and fast in any weather with the Mizuno Men’s 20K ER Waterproof Jacket in Blue, a high-performance outer layer built for serious runners and outdoor athletes. Engineered with a 20K waterproof and 25K breathable membrane, it offers exceptional protection against heavy rain while allowing sweat and heat to escape, keeping you cool and comfortable even during intense activity. Designed for endurance and freedom of movement, this technical jacket combines weatherproof reliability with sleek, modern styling suitable for both training and everyday wear.
Crafted from an extremely lightweight stretch woven fabric, the jacket provides a natural, unrestrictive feel while maintaining full durability. Fully taped seams ensure complete waterproofing, while adjustable cuffs, hem, and hood create a tailored, secure fit that keeps out wind and moisture. A ventilated back panel enhances breathability, while two zippered side pockets offer secure storage for essentials. With reflective details to boost visibility in low-light conditions and a packable design for easy carrying, this jacket is the perfect companion for performance-driven athletes facing unpredictable weather.
  • 20K waterproof / 25K breathable performance delivers superior weather protection and airflow
  • Ultra-light stretch woven construction maximises comfort and mobility during movement
  • Fully taped seams with adjustable hood, cuffs, and hem for a secure, watertight fit
  • Rear ventilation system enhances breathability and temperature regulation
  • Packable design with reflective details and zip pockets for safety and convenience

Mizuno Mens 20K ER Waterproof Jacket

SKU: 66385 - S
£150.00 £99.99 33% off
No Reviews
Size guide

Size Guides

This is a generic size guide based on the average sizes, this is not representative of any branded item you are buying and should be use cautiously.

Tops

Attention: This guide provides general sizing information only, and fit can vary depending on style and brand. For more specific sizing information on the product, please refer to product description.

Mens

Size Chest Waist Hip Chest Waist Hip
CM INCH
2XS
XS 83-86 71-74 82-85 32.5-34 27.5-29 32-33
S 87-92 75 -80 76 -91 34.5-36 29.5-31.5 34-36
M 93-100 81-88 92-99 36.5-39 32-34.5 36.5-39
L 101-108 89-96 100-107 39.5-42.5 35-38 39.5-42
XL 109-118 97-106 108-116 43-46.5 39.5-42 42.5-45.5
2XL 119-130 107-119 117-125 47-51 42.5-47 46-49
3XL 131-142 120-132 126-135 51.5-56 47.5-52 49.5-53
4XL
5XL

Womens

Womens Size Size(s) Bust Waist Hip Bust Waist Hip
CM INCH
0-2 2XS 73-76 57-60 82-85 28.5-29.5 22-23.5 31.5-33
4-6 XS 77-82 61-66 86-91 30-32 24-26 33.5-35.5
8-10 S 83-88 67-72 92-97 32.5-34.5 26.5-28.5 36-38
12-14 M 89-94 73-78 98-103 35-37 29-31 38.5-40.5
16-18 L 95-101 79-85 104-110 37.5-40 31.5-33.5 41-43
20-22 XL 102-109 86-94 111-117 40.5-43 34-37 43.5-46
24-26 2XL 110-118 95-104 118-125 43.5-46.5 37.5-41 46.5-49

Kids

Age Size(s) Height Chest Waist Hip Height Chest Waist Hip
CM INCH
0M - 51 - 56 38.5 38.5 37
0-3M - 57 - 62 43 43 42
3-6M - 63 - 68 45.5 45 45
9M - 69 - 74 47 46.5 47.5
Age 1 - 75 - 80 49.5 49 50
Age 2 - 81 - 92 52 50.5 53
Age 3 - 93 - 98 54.5 52.5 56
Age 4 - 99 - 104 56 54.5 60
Age 5 - 105 - 110 58 55 62
Age 6 YXS 111 - 116 60.5 56 64
Age 7 YXS/YS 117 - 122 63 57 66
Age 8 YS 123 - 128 64 59 68
Age 9 YS/YM 129 - 134 67.5 61.5 71
Age 10 YM 135 - 140 71 63.5 74.5
Age 11 YM/YL 141 - 146 74.5 66 77.5
Age 12 YL 147 - 152 78 68 81
Age 13 YXL/2XS 153 - 158 82 70.5 85
Age 14 YXL/XS 159 - 164 86 73 89
Age 15 XS 165 - 170 89 74.5 91.5
Age 16 XS/S 171 - 176 91.5 76.5 94

Bottoms

Attention: This guide provides general sizing information only, and fit can vary depending on style and brand. For more specific sizing information on the product, please refer to product description.

Mens

Size Inseam Waist Hip
CM
2XS
XS 81 71 - 74 82 - 85
S 81.5 75 - 80 76 - 91
M 82 81 - 88 92 - 99
L 82.5 89 - 96 100 - 107
XL 83 97 - 106 108 - 116
2XL 82.5 107 - 119 117 - 125
3XL 82 120 - 132 126 - 135
4XL
5XL

Womens

Womens Size Size(s) Waist Hip
CM INCH CM INCH
0-2 2XS 73-76 22 85 33
8 XS 62 24 90 35
10 S 67 26 95 37
12 M 72 28 100 39
14 L 77 30 105 41
16 XL 82 32 110 43
18 2XL 87 34 115 45

Kids

Age Size(s) Height Inseam Waist Hip
CM
0M - 51 - 56 19.1 38.5 37
3M - 57 - 62 21.75 43 42
6M - 63 - 68 24.25 45 45
9M - 69 - 74 27 46.5 47.5
Age 1 - 75 - 80 31.12 49 50
Age 2 - 81 - 92 38 50.5 53
Age 3 - 93 - 98 41 52.5 56
Age 4 - 99 - 104 45.5 54.5 60
Age 5 - 105 - 110 49.5 55 62
Age 6 YXS 111 - 116 52 56 64
Age 7 YXS/YS 117 - 122 56 57 66
Age 8 YS 123 - 128 59.5 59 68
Age 9 YS/YM 129 - 134 62 61.5 71
Age 10 YM 135 - 140 65 63.5 74.5
Age 11 YM/YL 141 - 146 68 66 77.5
Age 12 YL 147 - 152 70.5 68 81
Age 13 YXL/2XS 153 - 158 73.5 70.5 85
Age 14 YXL/XS 159 - 164 76.5 73 89
Age 15 XS 165 - 170 79 74.5 91.5
Age 16 XS/S 171 - 176 82 76.5 94

Footwear

Attention: This guide provides general sizing information only, and fit can vary depending on style and brand. For more specific sizing information on the product, please refer to product description.

Mens

UK EUR USA CM MM
7 41 8 26 260
7.5 42 8.5 26.5 265
8 42.5 9 27 270
8.5 43 9.5 27.5 275
9 44 10 28 280
9.5 44.5 10.5 28.5 285
10 45 11 29 290
10.5 46 11.5 29.5 295
11 46.5 12 30 300
11.5 47 12.5 30.5 305
12 48 13 31 310
12.5 48.5 13.5
13 49 14
13.5 49.5 14.5
14 50 15
15 51.5 16

Womens

UK EUR USA CM MM
2 34.5 4
2.5 35 4.5
3 35.5 5 21.5 215
3.5 36 5.5 22 220
4 37 6 22.5 225
4.5 37.5 6.5 23 230
5 38 7 23.5 235
5.5 38.5 7.5 24 240
6 39 8 24.5 245
6.5 40 8.5 25 250
7 40.5 9 25.5 255
7.5 41 9.5 26 260
8 42 10 26.5 265
8.5 42.5 10.5 27 270
9 43 11 27.5 275
9.5 44 11.5
10 44.5 12

Kids

UK EUR USA CM
K10 28 K10.5 16.6
K10.5 28.5 K11 17
K11 29 K11.5 17.4
K11.5 30 K12 17.8
K12 30.5 K12.5 18.3
K12.5 31 K13 18.7
K13 31.5 K13.5 19.1
K13.5 32 1 19.5
1 33 1.5 20
1.5 33.5 2 20.4
2 34 2.5 20.8
2.5 35 3 21.2
3 35.5 3.5 21.6
3.5 36 4 22.1
4 36 ⅔ 4.5 22.5
4.5 37 ⅓ 5 22.9
5 38 5.5 23.3
5.5 38 ⅔ 6 23.8
6 39 ⅓ 6.5 24.2

Headguards

Attention: This guide provides general sizing information only, and fit can vary depending on style and brand. For more specific sizing information on the product, please refer to product description.

Adults

Size Circumference
CM INCH
S 55 21.5
M 57 22.5
L 58.5 23
XL 60 23.5

Kids

Size Circumference
CM INCH
YS 51 20
YM 52.5 20.5
YL 54 21
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Stay dry, light, and fast in any weather with the Mizuno Men’s 20K ER Waterproof Jacket in Blue, a high-performance outer layer built for serious runners and outdoor athletes. Engineered with a 20K waterproof and 25K breathable membrane, it offers exceptional protection against heavy rain while allowing sweat and heat to escape, keeping you cool and comfortable even during intense activity. Designed for endurance and freedom of movement, this technical jacket combines weatherproof reliability with sleek, modern styling suitable for both training and everyday wear.
Crafted from an extremely lightweight stretch woven fabric, the jacket provides a natural, unrestrictive feel while maintaining full durability. Fully taped seams ensure complete waterproofing, while adjustable cuffs, hem, and hood create a tailored, secure fit that keeps out wind and moisture. A ventilated back panel enhances breathability, while two zippered side pockets offer secure storage for essentials. With reflective details to boost visibility in low-light conditions and a packable design for easy carrying, this jacket is the perfect companion for performance-driven athletes facing unpredictable weather.
  • 20K waterproof / 25K breathable performance delivers superior weather protection and airflow
  • Ultra-light stretch woven construction maximises comfort and mobility during movement
  • Fully taped seams with adjustable hood, cuffs, and hem for a secure, watertight fit
  • Rear ventilation system enhances breathability and temperature regulation
  • Packable design with reflective details and zip pockets for safety and convenience