Rhythm
Rhythm Women's London Check Crop Bikini Top - Chocolate
Pickup available at Shop 3/1 Rainbow Beach Road
Usually ready in 2 hours
Structured style, tailored finish. The Rhythm London Check Crop Bikini Top features a yarn dye check on seersucker texture with contrast colour under-bust binding and soft rib fabric at the neckline and straps — a polished, considered design that sits a cut above the basics. Part of the London Check collection, pairs perfectly with the London Check Hi Cut Pant or Boyleg Pant for the full set.
Why You'll Love It
The contrast under-bust bind and zig zag stitch at the edges give it that sharp, tailored detail that makes it stand out in the lineup. Adjustable straps and a centre back hook with adjustable fit mean you can customise the fit exactly how you like it, while removable padding and soft rib neckline fabric keep it comfortable all day long. Recommended for A-C cup and finished with that signature seersucker check texture.
Details
- Fit: Crop, Adjustable Straps, Centre Back Hook
- Fabric: 61% Polyester, 29% Nylon, 10% Spandex — yarn dye check on seersucker texture
- Care: See garment label
- Colourway: Chocolate — a rich, warm brown check with contrast rib binding detail
Design Features
- Yarn dye check on seersucker texture
- Contrast colour under-bust binding
- Neckline and straps in soft rib fabric
- Zig zag stitch at edges
- Adjustable straps
- Centre back hook with adjustable fit
- Removable padding
- Recommended for A-C cup
Why You'll Love It: Contrast under-bust binding, seersucker check texture, and a tailored crop silhouette — this is the bikini top built for confident days in the sun.
Perfect For: Long beach days, confident ocean swims, and those sun-soaked sessions where you want to look as good on the sand as you do in the water — this is the top that earns its place in every rotation.
Model Natalia is 182cm tall and wears a size Small/AU 8.
For help finding your perfect fit, call us on 07 5486 3099 — our team is happy to hand-measure any garment and walk you through sizing and fit options.
Available now at 13th Beach Surf with fast Australia Wide Shipping From our store in Rainbow Beach Queensland.
Collapsible row
Size Guides
Every brand fits a little differently, so tap your brand below to open its size chart. Not sure which size to pick? Call us on 07 5486 3099. Our team is happy to hand-measure any garment and walk you through sizing and fit options.
Women's Tops
Body measurements for all women's tops, dresses, playsuits, jumpsuits, jackets and jumpers.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| AU/UK | 6 | 8 | 10 | 12 | 14 |
| US | 2 | 4 | 6 | 8 | 10 |
| EU | 34 | 36 | 38 | 40 | 42 |
| Bust (cm) | 79-83 | 84-88 | 89-93 | 94-98 | 99-103 |
| Waist, at smallest point (cm) | 61-65 | 66-70 | 71-75 | 76-80 | 81-85 |
| Hips, at widest point (cm) | 89-93 | 94-98 | 99-103 | 104-108 | 109-113 |
Women's Bottoms
Body measurements for all women's bottoms.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Pants | 24 | 26 | 28 | 30 | 32 |
| AU/UK | 6 | 8 | 10 | 12 | 14 |
| US | 2 | 4 | 6 | 8 | 10 |
| EU | 34 | 36 | 38 | 40 | 42 |
| Waist, at smallest point (cm) | 61-65 | 66-70 | 71-75 | 76-80 | 81-85 |
| Hips, at widest point (cm) | 89-93 | 94-98 | 99-103 | 104-108 | 109-113 |
Women's Intimates
Body measurements for all women's intimates.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| AU | 6 | 8 | 10 | 12 | 14 |
| US | 2 | 4 | 6 | 8 | 10 |
| EU | 34 | 36 | 38 | 40 | 42 |
| Bust (cm) | 79-83 | 84-88 | 89-93 | 94-98 | 99-103 |
| Underbust (cm) | 68-72 | 73-77 | 78-82 | 83-87 | 88-92 |
| Waist, at smallest point (cm) | 61-65 | 66-70 | 71-75 | 76-80 | 81-85 |
Sizing tips
Choose your normal running shoe size when ordering Archies thongs or slides. If you're normally a half size, size up to the nearest full size (for example, if you're a 7.5, order an 8).
Women's Thongs & Slides
| US Women's | UK | EU | Foot length (cm) |
|---|---|---|---|
| 5 | 3 | 36-36.5 | 22-22.5 |
| 6 | 4 | 37-37.5 | 22.6-23.4 |
| 7 | 5 | 38.5-39 | 23.5-24.2 |
| 8 | 6 | 39.5-40 | 24.3-25 |
| 9 | 7 | 41-41.5 | 25.1-26 |
| 10 | 8 | 42.5-43 | 26.1-26.7 |
| 11 | 9 | 43.5-44 | 26.8-27.5 |
| 12 | 10 | 45-45.5 | 27.6-28.3 |
| 13 | 11 | 46-46.5 | 28.4-29.1 |
| 14 | 12 | 47.5-48 | 29.2-30 |
| 15 | 13 | 48.5-49 | 30.1-30.8 |
| 16 | 14 | 50-50.5 | 30.9-31.6 |
Men's Thongs & Slides
| US Men's | UK | EU | Foot length (cm) |
|---|---|---|---|
| 4 | 3 | 36-36.5 | 22-22.5 |
| 5 | 4 | 37-37.5 | 22.6-23.4 |
| 6 | 5 | 38.5-39 | 23.5-24.2 |
| 7 | 6 | 39.5-40 | 24.3-25 |
| 8 | 7 | 41-41.5 | 25.1-26 |
| 9 | 8 | 42.5-43 | 26.1-26.7 |
| 10 | 9 | 43.5-44 | 26.8-27.5 |
| 11 | 10 | 45-45.5 | 27.6-28.3 |
| 12 | 11 | 46-46.5 | 28.4-29.1 |
| 13 | 12 | 47.5-48 | 29.2-30 |
| 14 | 13 | 48.5-49 | 30.1-30.8 |
| 15 | 14 | 50-50.5 | 30.9-31.6 |
This is a general guide to Rhythm sizing to help you compare against your own measurements. Some styles may fit differently, and any fit notes are listed in the product description.
Women's Swim & Apparel
| AU Size | 6 | 8 | 10 | 12 | 14 | 16 |
|---|---|---|---|---|---|---|
| US Size | 2 | 4 | 6 | 8 | 10 | 12 |
| International | XS | S | M | L | XL | XXL |
| Bust | 80cm | 84cm | 88cm | 92cm | 96cm | 100cm |
| Waist | 64cm | 68cm | 72cm | 76cm | 80cm | 84cm |
| Hips | 91cm | 95cm | 99cm | 103cm | 107cm | 111cm |
Men's Tops
| Size | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| Height | 155-160cm | 160-165cm | 165-170cm | 170-180cm | 180-190cm | 190cm |
| Chest | 86.5cm | 91cm | 96.5cm | 101cm | 106.5cm | 111.5cm |
Men's T-shirts
Garment measurements by fit.
Vintage T-shirts: relaxed, boxy style. Wider through the body and neck opening, with dropped shoulders, a slightly longer sleeve and a thick 1x1 neck rib.
| Size | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| Shoulder | 44.5cm | 46cm | 47.5cm | 49cm | 50.5cm | 53cm |
| Chest | 52.5cm | 54.5cm | 56.5cm | 58.5cm | 60.5cm | 63.5cm |
| Length | 65cm | 67cm | 69cm | 71cm | 73cm | 76cm |
Band T-shirts: cropped length. Inspired by early-60s military sporting tees, with cropped sleeves and body for a boxy look that sits below the waist, plus a wider 1x1 neck rib.
| Size | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| Shoulder | 46.5cm | 48cm | 49.5cm | 51cm | 52.5cm | 54cm |
| Chest | 50.5cm | 52.5cm | 54.5cm | 56.5cm | 58.5cm | 60.5cm |
| Length | 60cm | 62cm | 64cm | 66cm | 68cm | 70cm |
Relaxed Fit T-shirts: regular length. A timeless everyday cut, not too loose and not too tight through the body and sleeves, with a regular 1x1 neck rib.
| Size | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| Shoulder | 44.5cm | 46cm | 47.5cm | 49cm | 50.5cm | 53cm |
| Chest | 52.5cm | 54.5cm | 56.5cm | 58.5cm | 60.5cm | 63.5cm |
| Length | 66cm | 68cm | 70cm | 72cm | 74cm | 77cm |
Men's Pants, Shorts & Trunks
| Size | 28 | 30 | 32 | 33 | 34 | 36 |
|---|---|---|---|---|---|---|
| Waist | 76.5cm | 81.9cm | 87cm | 89.5cm | 92.1cm | 97.2cm |
How to measure
Bust: measure under your arms at the fullest part of your bust, keeping the tape level across your shoulder blades.
Chest: measure under your arms at the fullest part of your chest, keeping the tape level across your shoulder blades.
Waist: measure around your natural waistline, with the tape sitting comfortably loose.
Hips: measure around the fullest part of your low hip, keeping the tape level across your backside.
All measurements are body measurements in centimetres.
Women's Size Guide
| Size | AU | Pants | Chest | Waist | Hip |
|---|---|---|---|---|---|
| XXS | 6 | 24 | 76-79 | 59-61 | 84-87 |
| XS | 8 | 25-26 | 81-84 | 64-66 | 90-92 |
| S | 10 | 27-28 | 86-89 | 69-71 | 95-97 |
| M | 12 | 29-30 | 91-94 | 74-76 | 100-102 |
| L | 14 | 32 | 96-99 | 79-81 | 105-107 |
| XL | 16 | 33 | 101-104 | 84-86 | 110-112 |
| XXL | 18 | 34 | 106-109 | 89-91 | 115-117 |
Men's Size Guide
| Size | AU | Height | Chest | Waist | Hip |
|---|---|---|---|---|---|
| XS | 28-29 | 168-171 | 85-88 | 70-73 | 85-88 |
| S | 30-31 | 173-176 | 90-93 | 75-78 | 90-93 |
| M | 32-33 | 178-181 | 95-98 | 80-83 | 95-98 |
| L | 34-35 | 183-186 | 100-103 | 85-88 | 100-103 |
| XL | 36-38 | 188-193 | 105-108 | 90-95 | 105-108 |
| XXL | 40-42 | 195 | 110-113 | 100-105 | 110-113 |
| XXXL | 44 | 195 | 115 | 115 | 115 |
Body measurements and international size conversions.
Women's Tops
| INTL | AU/UK | US | EU | Bust (cm) | Waist (cm) |
|---|---|---|---|---|---|
| XXS | 4 | 0 | 32 | 72-76 | 54-58 |
| XS | 6 | 2 | 34 | 77-81 | 59-63 |
| S | 8 | 4 | 36 | 82-86 | 64-68 |
| M | 10 | 6 | 38 | 87-91 | 69-73 |
| L | 12 | 8 | 40 | 92-96 | 74-78 |
| XL | 14 | 10 | 42 | 97-101 | 79-83 |
| XXL | 16 | 12 | 44 | 102-106 | 84-88 |
Women's Bottoms
| INTL | AU/UK | US | EU | Waist (in) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|---|---|
| XXS | 4 | 0 | 32 | 22 | 55-57 | 81-83 |
| 5 | 23 | 58-59 | 84-85 | |||
| XS | 6 | 2 | 34 | 24 | 60-62 | 86-88 |
| 7 | 25 | 63-64 | 89-90 | |||
| S | 8 | 4 | 36 | 26 | 65-67 | 91-93 |
| 9 | 27 | 68-69 | 94-95 | |||
| M | 10 | 6 | 38 | 28 | 70-72 | 96-98 |
| 11 | 29 | 73-74 | 99-100 | |||
| L | 12 | 8 | 40 | 30 | 75-78 | 101-104 |
| XL | 14 | 10 | 42 | 32 | 79-83 | 105-109 |
| XXL | 16 | 12 | 44 | 34 | 84-88 | 110-114 |
Men's Tops
| INTL | AU/UK | US | EU | Chest (cm) | Length (cm) |
|---|---|---|---|---|---|
| XXS | 32 | 32 | 42 | 82-85 | 68-69 |
| XS | 34 | 34 | 44 | 86-89 | 70-71 |
| S | 36 | 36 | 46 | 90-93 | 72-73 |
| M | 38 | 38 | 48 | 94-97 | 74-75 |
| L | 40 | 40 | 50 | 98-101 | 76-77 |
| XL | 42 | 42 | 52 | 102-105 | 78-79 |
| XXL | 44 | 44 | 54 | 106-109 | 80-81 |
Men's Bottoms
| INTL | AU/UK | US | EU | Waist (cm) | Hip (cm) |
|---|---|---|---|---|---|
| XXS | 26 | 26 | 42 | 64-69 | 80-84 |
| XS | 28 | 28 | 44 | 69-74 | 85-89 |
| 29 | 29 | 72-78 | 88-92 | ||
| S | 30 | 30 | 46 | 74-81 | 90-94 |
| 31 | 31 | 77-82 | 93-97 | ||
| M | 32 | 32 | 48 | 79-83 | 95-99 |
| 33 | 33 | 82-86 | 98-102 | ||
| L | 34 | 34 | 50 | 84-88 | 100-104 |
| XL | 36 | 36 | 52 | 89-93 | 105-109 |
| XXL | 38 | 38 | 54 | 94-98 | 110-114 |
Women's Swimwear
Body measurements in centimetres.
| XXS | XS | S | M | L | XL | XXL | XXXL | |
|---|---|---|---|---|---|---|---|---|
| AUS/NZ | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| Bust | 82 | 84.5 | 87 | 92 | 97 | 102 | 107 | 112 |
| Waist | 62 | 64.5 | 67 | 72 | 77 | 82 | 87 | 92 |
| Hip | 92 | 94.5 | 97 | 102 | 107 | 112 | 117 | 122 |
| Underbust | 69 | 71.5 | 74 | 79 | 84 | 89 | 94 | 99 |
| A-cup bust | 79.5 | 82 | 84.5 | 89.5 | 94.5 | |||
| D-cup bust | 84.5 | 87 | 89.5 | 94.5 | 99.5 | 104.5 | 109.5 | 114.5 |
| DD-cup bust | 89.5 | 92 | 97 | 102 | 107 | 112 | 117 | |
| E-cup bust | 92 | 94.5 | 99.5 | 104.5 | 109.5 | 114.5 | 119.5 | |
| F-cup bust | 94.5 | 97 | 102 | 107 | 112 | 117 | 122 | |
| G-cup bust | 97 | 99.5 | 104.5 | 109.5 | 114.5 | 119.5 | 124.5 |
Women's Clothing
| XS | S | M | L | XL | XXL | |
|---|---|---|---|---|---|---|
| AUS/NZ | 8 | 10 | 12 | 14 | 16 | 18 |
| Bust (with bra) | 85cm | 90cm | 95cm | 100cm | 105cm | 110cm |
| Bust (no bra) | 83cm | 88cm | 93cm | 98cm | 103cm | 108cm |
| Waist | 65cm | 70cm | 75cm | 80cm | 85cm | 90cm |
| Hip | 95cm | 100cm | 105cm | 110cm | 115cm | 120cm |
| Rib cage / underbust | 69cm | 74cm | 79cm | 84cm | 89cm | 94cm |
| Across shoulder | 37.8cm | 39cm | 40.2cm | 41.4cm | 42.6cm | 43.8cm |
| Across back | 37.8cm | 39cm | 40.2cm | 41.4cm | 42.6cm | 43.8cm |
Body measurements in centimetres.
Women's Tees, Tanks, Shirts & Dresses
| AU Size | Bust | Waist | Hip | US | EU |
|---|---|---|---|---|---|
| 4 | 75 | 57 | 85 | 0 | 32 |
| 6 | 80 | 62 | 90 | 2 | 34 |
| 8 | 85 | 67 | 95 | 4 | 36 |
| 10 | 90 | 72 | 100 | 6 | 38 |
| 12 | 95 | 77 | 105 | 8 | 40 |
| 14 | 100 | 82 | 110 | 10 | 42 |
| 16 | 105 | 87 | 115 | 12 | 44 |
| 18 | 110 | 92 | 120 | 14 | 46 |
Women's Pants, Jeans, Shorts & Skirts
| AU Size | Waist | Hip | Inch | US | EU |
|---|---|---|---|---|---|
| 4 | 57 | 85 | 22 | 0 | 32 |
| 6 | 62 | 90 | 24 | 2 | 34 |
| 7 | 64.5 | 92.5 | 25 | 3 | 35 |
| 8 | 67 | 95 | 26 | 4 | 36 |
| 9 | 69.5 | 97.5 | 27 | 5 | 37 |
| 10 | 72 | 100 | 28 | 6 | 38 |
| 11 | 74.5 | 102.5 | 29 | 7 | 39 |
| 12 | 77 | 105 | 30 | 8 | 40 |
| 14 | 82 | 110 | 32 | 10 | 42 |
| 16 | 87 | 115 | 34 | 12 | 44 |
| 18 | 92 | 120 | 36 | 14 | 46 |
Men's Tees, Tanks & Shirts
| Size | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| Neck | 38 | 39 | 40 | 41 | 42 | 43 |
| Chest | 86-91 | 91-96 | 96-101 | 101-106 | 106-111 | 111-116 |
| Waist | 71 | 76 | 81 | 86 | 91 | 96 |
| Related size | 28 | 30 | 32 | 34 | 36 | 38 |
Men's Pants, Jeans & Shorts
| Size | Waist | Hip | Inleg | Related size |
|---|---|---|---|---|
| 28 | 71 | 94 | 82 | XS |
| 29 | 73.5 | 96.5 | 82.5 | XS-S |
| 30 | 76 | 99 | 83 | S |
| 31 | 78.5 | 101.5 | 83.5 | S-M |
| 32 | 81 | 104 | 84 | M |
| 33 | 83.5 | 106.5 | 84.5 | M-L |
| 34 | 86 | 109 | 85 | L |
| 36 | 91 | 114 | 86 | XL |
| 38 | 96 | 119 | 87 | XXL |
Body measurements in centimetres, taken snug over the skin.
Women's Tops & Bottoms
Bust applies to tops. Junior size applies to bottoms.
| Size | Size # | Jr. size | Height | Bust | Waist | Fullest hip |
|---|---|---|---|---|---|---|
| XS | 24 | 0 | 155-163 | 79-81 | 59.5 | 84-86 |
| XS | 25 | 1 | 155-163 | 81-84 | 62 | 86-90 |
| S | 26 | 3 | 163-170 | 84-86 | 64.5 | 90-92 |
| S | 27 | 5 | 163-170 | 86-89 | 67 | 92-94 |
| M | 28 | 7 | 163-170 | 89-91 | 70 | 94-96 |
| M | 29 | 9 | 165-175 | 91-94 | 72 | 96-99 |
| L | 30 | 11 | 165-175 | 94-99 | 75-77 | 99-101 |
| XL | 31 | 13 | 165-175 | 99-101 | 80 | 104-106 |
| XXL | 32 | 15 | 165-175 | 101-104 | 82.5 | 106-109 |
| 12W | 12W | 165-175 | 104-106 | 84-88 | 106-109 | |
| 14W | 14W | 165-175 | 106-109 | 88-94 | 111-114 | |
| 16W | 16W | 165-175 | 109-114 | 95-100 | 119-124 | |
| 18W | 18W | 165-175 | 114-119 | 101-106 | 124-129 | |
| 20W | 20W | 165-175 | 119-124 | 107-113 | 129-134 | |
| 22W | 22W | 165-175 | 124-129 | 111-116 | 134-139 | |
| 24W | 24W | 165-175 | 129-134 | 116-122 | 139-145 | |
| 26W | 26W | 165-175 | 134-139 | 122-127 | 145-150 |
Men's Tops
| Size | Height | Neck | Across shoulder | Chest | Sleeve (from centre back neck) | Bicep |
|---|---|---|---|---|---|---|
| XS | 167-170 | 35.5 | 42 | 81-86 | 75-80 | 30 |
| S | 172-177 | 36-37 | 44 | 86-91 | 81-84 | 32 |
| M | 177-185 | 38-39 | 46 | 96-101 | 85-88 | 34 |
| L | 180-188 | 40-42 | 48 | 106-111 | 90-93 | 36 |
| XL | 183-190 | 43-44 | 50 | 112-117 | 93-95 | 38 |
| XXL | 183-190 | 45-46 | 52 | 117-122 | 93-95 | 40 |
Men's Pants & Shorts
Covers fixed-waist bottoms, elastic-waist shorts and pants, and shorts. Inseam applies to fixed-waist pants. XS/26 is available in shorts only, and elastic-waist styles run up to XXL/42.
| Size | Height | Waist | Hips | Thigh | Inseam |
|---|---|---|---|---|---|
| XS/26 | 165-167 | 66 | 81-84 | 49 | |
| XS/27 | 167-170 | 68 | 84-86 | 50 | 76 |
| S/28 | 167-170 | 71 | 86-88 | 51.5 | 76 |
| S/29 | 172-177 | 74 | 89-91 | 53 | 76 |
| S/30 | 172-177 | 76 | 91-94 | 54 | 81 |
| M/31 | 177-185 | 79 | 94-96 | 55.5 | 81 |
| M/32 | 177-185 | 81 | 96-98 | 56.5 | 81 |
| M/33 | 177-185 | 84 | 99-101 | 58 | 81 |
| L/34 | 180-188 | 86 | 102-104 | 59 | 81 |
| L/36 | 180-188 | 92 | 104-107 | 61.5 | 84 |
| XL/38 | 183-190 | 96 | 107-109 | 64 | 84 |
| XL/40 | 183-190 | 102 | 109-112 | 67 | 84 |
| XXL/42 | 183-190 | 106 | 112-115 | 70 | 84 |
| XXXL/44 | 183-190 | 111 | 116-123 | 71.7 | 84 |
| XXXL/46 | 183-190 | 117 | 123-127 | 74.3 | 84 |







