Mermaid Tail Size Chart
Toddler Sizes

No monofins here. Toddler tails fit like a skirt - for easy walking and swimming for our youngest mermaids
XS Child | S Child | |
---|---|---|
Age | 2-3yrs | 4-5yrs |
Size | 2T, 3T | 4T, 5T, 5 |
Waist | 18 - 20 in 46 - 50 cm |
20 - 22 in 50 - 56 cm |
Length | 18 - 22 in 46 - 56 cm |
24 - 27 in 61 - 69 cm |
Note: No monofin for toddler tails because it fits like a skirt

Child Sizes

M Child | L Child | XL Child | |
---|---|---|---|
Age | 6-8 | 8-10 | 10-13+ |
US Size | 6/7, 8 | 8/10, 10 | Girls 10-13, Junior 3-7, Misses 2-4 |
Waist | 21-23 in 53-58 cm |
22-24 in 56-61 cm |
23-25 in 58-64 cm |
Length | 26-30 in 66-76 cm |
31-35 in 79-89 cm |
34-38 in 86-97 cm |
Note: Child M, L, and XL are designed for our Keiki kid-size Monofin

Teen and Adult Sizes

JS | JM | JL | |
---|---|---|---|
Size | Girls 14/16, Junior 7-11, Misses 4-6 | Junior 11-15, Misses 8-10 | Junior 17-19, Misses 12-16 |
Waist | 24-27 in 61-69 cm |
26-30 in 66-76 cm |
30-34 in 76-86 cm |
Hip | 26-30 in 66-76 cm |
30-34 in 76-86 cm |
34-38 in 86-96 cm |
Length | 35-39 in 89-99 cm |
36-40 in 91-101 cm |
37-41 in 94-104 cm |
Note: Teen/Adult sizes JS, JM, and JL are designed for our Nunui Monofin

Size Chart Links
Mermaid Tail Sizes Swimsuit Sizes Legging Sizes
Printable Size Charts
Mermaid Tail Sizes Swimsuit Sizes Legging Sizes
Have more questions about sizing?