Reiss Size Guide
About Reiss: Reiss is a premium British fashion brand renowned for contemporary, sophisticated clothing and accessories for men, women, and children. Established with a focus on quality tailoring and modern design, Reiss specialises in elevated essentials and occasion wear that combines classic style with contemporary cuts. The brand is celebrated for its attention to detail, premium fabrics, and impeccable fit across its menswear tailoring collection, womenswear dresses and separates, and carefully curated childrenswear. Reiss sizing is true to size, meaning you should generally order your usual UK size. The brand offers an extensive range from XS through to 3XL, with specialised petite collections for women 5’3" and under, and tailored options for men including slim fit and modern fit silhouettes.
How to Measure
To find your perfect Reiss size, follow these simple measurement steps. Measure whilst wearing minimal clothing and use a soft tape measure. Keep the tape measure snug but not tight against your body.
- Chest: Measure around the fullest part of your chest, keeping the tape measure close under the arms. Stand with your arms relaxed at your sides.
- Waist: Measure around your natural waistline, which is typically at the smallest part of your torso. The tape should sit comfortably without pulling.
- Hips: Measure around the fullest part of your hips and bottom. For specific measurements, measure approximately 20cm below your natural waistline for the most accurate fit.
- Inside Leg (Trousers & Jeans): Measure from the very top of your inside leg down to your ankle bone. For the most accurate measurement, wear shoes with a similar heel height to those you’ll wear with the trousers.
- Height (Childrenswear): Stand your child straight up against a wall without shoes, with feet together flat on the floor. Measure from the top of their head to the ground.
- Sleeve Length: Measure from the centre back of your neck, across your shoulder, and down to your wrist bone with your arm relaxed at your side.
Important Note: All items on the Reiss website are listed in UK sizes. Every product includes a “Design and Fit” description showing how the garment fits and the size worn by the model. Unless otherwise stated, Reiss sizing is true to size.
Womenswear Size Charts
Women's Clothing (Dresses, Tops, Jumpsuits & Playsuits)
| UK Size |
Size Label |
US Size |
EU Size |
Bust (in) |
Bust (cm) |
Waist (in) |
Waist (cm) |
Hip (in) |
Hip (cm) |
| 4 |
XS |
0 |
32 |
31 |
79 |
24 |
60 |
34 |
86 |
| 6 |
XS |
2 |
34 |
32 |
81.5 |
25 |
62.5 |
35 |
88.5 |
| 8 |
S |
4 |
36 |
33 |
84 |
26 |
65 |
36 |
91 |
| 10 |
M |
6 |
38 |
35 |
89 |
28 |
70 |
38 |
96 |
| 12 |
M |
8 |
40 |
37 |
94 |
30 |
75 |
40 |
101 |
| 14 |
L |
10 |
42 |
39 |
99 |
31.5 |
80 |
42 |
106 |
| 16 |
L |
12 |
44 |
41 |
104 |
33.5 |
85 |
44 |
111 |
Women's Coats & Jackets
| UK Size |
Size Label |
Bust (in) |
Bust (cm) |
Waist (in) |
Waist (cm) |
Hip (in) |
Hip (cm) |
| 4 |
XS |
31 |
79 |
24 |
60 |
34 |
86 |
| 6 |
XS |
32 |
81.5 |
25 |
62.5 |
35 |
88.5 |
| 8 |
S |
33 |
84 |
26 |
65 |
36 |
91 |
| 10 |
M |
35 |
89 |
28 |
70 |
38 |
96 |
| 12 |
M |
37 |
94 |
30 |
75 |
40 |
101 |
| 14 |
L |
39 |
99 |
31.5 |
80 |
42 |
106 |
| 16 |
L |
41 |
104 |
33.5 |
85 |
44 |
111 |
Women's Trousers & Skirts
| UK Size |
Size Label |
Waist (in) |
Waist (cm) |
Hip (in) |
Hip (cm) |
| 4 |
XS |
24 |
60 |
34 |
86 |
| 6 |
XS |
25 |
62.5 |
35 |
88.5 |
| 8 |
S |
26 |
65 |
36 |
91 |
| 10 |
M |
28 |
70 |
38 |
96 |
| 12 |
M |
30 |
75 |
40 |
101 |
| 14 |
L |
31.5 |
80 |
42 |
106 |
| 16 |
L |
33.5 |
85 |
44 |
111 |
Women's Jeans - Mid Rise Slim / Straight
| Jeans Size |
UK Size |
Waist (in) |
Waist (cm) |
Hip (in) |
Hip (cm) |
| 24 |
4–6 |
27 |
68 |
34.5 |
78 |
| 26 |
6 |
28 |
70.5 |
35.5 |
80.5 |
| 26 |
8 |
28.5 |
73 |
36.5 |
83 |
| 27 |
8–10 |
29.5 |
75.5 |
37.5 |
85.5 |
| 28 |
10 |
30.5 |
78 |
38.5 |
88 |
| 29 |
10–12 |
31.5 |
80.5 |
39.5 |
90.5 |
| 30 |
12 |
32.5 |
83 |
40.5 |
93 |
| 32 |
14 |
34.5 |
88 |
42.5 |
95.5 |
Women's Jeans - Mid Rise Skinny
| Jeans Size |
UK Size |
Waist (in) |
Waist (cm) |
Hip (in) |
Hip (cm) |
| 24 |
4–6 |
24 |
62 |
30.5 |
78 |
| 26 |
6 |
25 |
64.5 |
31.5 |
80.5 |
| 26 |
8 |
26 |
67 |
32.5 |
83 |
| 27 |
8–10 |
27 |
69.5 |
33.5 |
85.5 |
| 28 |
10 |
28 |
72 |
34.5 |
88 |
| 29 |
10–12 |
29 |
74.5 |
35.5 |
90.5 |
| 30 |
12 |
30 |
77 |
36.5 |
93 |
| 32 |
14 |
32 |
82 |
38.5 |
98 |
Women's Jeans - High Rise Skinny
| Jeans Size |
UK Size |
Waist (in) |
Waist (cm) |
Hip (in) |
Hip (cm) |
| 24 |
4–6 |
23.5 |
60 |
30 |
76 |
| 26 |
6 |
24.5 |
62.5 |
31 |
78.5 |
| 26 |
8 |
25.5 |
65 |
32 |
81 |
| 27 |
8–10 |
26.5 |
67.5 |
33 |
83.5 |
| 28 |
10 |
27.5 |
70 |
34 |
86 |
| 29 |
10–12 |
28.5 |
72.5 |
35 |
88.5 |
| 30 |
12 |
29.5 |
75 |
36 |
91 |
| 32 |
14 |
31.5 |
80 |
38 |
96 |
Women's Petite Size Adjustments
Reiss petite clothing is reproportioned to fit women 5’3" and under. The brand offers petite versions of dresses, coats, jackets, trousers, jeans, and jumpsuits. Here are the standard adjustments made to petite pieces:
| Garment Type |
Adjustment (inches) |
Adjustment (cm) |
| Above Knee (Mini) Dresses |
−2.75" |
−7cm |
| Knee Length Dresses |
−2.75" |
−7cm |
| Midi Length Dresses |
−3.5" |
−9cm |
| Maxi Length Dresses |
−5" |
−12.5cm |
| Long Sleeve (Dresses & Tops) |
−2" |
−5cm |
| Coats & Jackets - Above Knee |
−1.75" |
−4.5cm |
| Coats & Jackets - Knee Length |
−1.75" |
−4.5cm |
| Coats & Jackets - Midi Length |
−2.5" |
−6.5cm |
| Coats & Jackets - Full Length |
−4" |
−10cm |
| Coats & Jackets - Long Sleeve |
−2" |
−5cm |
| Trousers/Jeans - Floor Length |
−3" |
−7.5cm |
| Trousers/Jeans - Full Length |
−2" |
−5cm |
| Trousers/Jeans - Ankle Length |
−2" |
−5cm |
| Trousers/Jeans - Crop Length |
−1.5" |
−4cm |
| Tops/Knitwear - Shoulder-to-Hem |
−1.75" |
−4.5cm |
| Tops/Knitwear - Sleeve Length |
−2" |
−5cm |
Note: Petite trousers, jeans, and jumpsuits also feature shortened front and back rises for a perfect fit.
Menswear Size Charts
Men's Clothing - General
| Size Label |
UK Size |
EU Size |
Chest (in) |
Chest (cm) |
Waist (in) |
Waist (cm) |
Hips (in) |
Hips (cm) |
| XS |
XS |
44 |
36 |
91 |
30 |
76 |
37.7 |
96 |
| S |
S |
46 |
38 |
96 |
32 |
81
Sizing Information
General Fit
Reiss sizing tends to follow standard UK sizing. However, we recommend checking the specific size chart for each item.
Fit Recommendations
- Check product-specific size charts when available
- Read customer reviews for fit feedback
- Consider the item type (slim fit, regular fit, etc.)
- When in doubt, contact customer service
Important: This page provides essential and expertly curated size conversion information that should be used in conjunction with the complete interactive tools available at sizechart.uk. For the most accurate size conversions and access to our comprehensive database of brand-specific charts, measurement guides, and real-time conversion tools, please visit the full website. The information presented here represents only a portion of our complete sizing resources and should be evaluated within the context of your specific sizing needs and the brands you're shopping for. It is impossible to determine the anatomical size of a shoe or clothing item without the use of a measuring tape or ruler in conjunction with the size chart.
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