Size Chart & Detailed Fit Guide

Due to limited production, we are currently only stocking sizes S, M and L for bikinis and XS, S, M, and L for one-pieces.

Message us at info@riiswim.com if you are unsure about sizing!

ONE-PIECE SUITS
If you are between sizes, we recommend to size down.

SIZE

US

UK/AU

BUST (cm)

WAIST (cm)

HIP (cm)

XS

2-4

6-8

78-84

64-70

80-85

S

4-6

8-10

84-90

70-75

86-90

M

6-8

10-12

91-97

75-85

91-100

L

8-10

12-14

98-101

83-90.5

100-105

 

ONE-PIECE TORSO MEASUREMENTS

 

KIMBER
*from top of bust padding to crotch
XS: 51cm
S: 53cm
M: 56cm
L: 59cm 

Best suited for (height in ft): 5'3-5'10

CHELLE
*from the top of open-circle to crotch
XS: 47cm
S: 49cm
M: 51cm
L: 53cm 

Best suited for (height in ft): 5'1-5'7

 

TWO-PIECE SUITS 
Fits true to size, but refer to triangle coverage below for your most optimal fit. Some women prefer more bust coverage so will opt to size up.

SIZE

US

UK/AU

BUST (cm)

WAIST (cm)

HIP (cm)

S

2-6

6-10

78-90

65-71

80-90

M

4-8

10-12

91-97

75-85

91-101

L

8-10

12-14

98-101

83-90.5

100-105

 

BIKINI TRIANGLE MEASUREMENTS
*Note that our bikini triangle is slightly smaller than average. All bikini tops include removable padding, which means you can also replace with your own padding if desired.

1) Cup Length:
S: 17.5cm
M: 19cm
L: 20cm

2) Cup Width
Fully stretched out, but also adjustable with scrunch
S: 14cm
M: 15cm
L: 16cm