The Mathilda One Piece by Gigi C Bikinis is a black high-neck bodysuit with triangle laser cutouts, a front zipper, and triangular white side accents. Its scuba-inspired fitted design enhances the waist and hips, featuring a high-cut leg for added allure.
A person models the Gigi C Bikinis Mathilda One Piece in a dark shade, highlighting its triangle laser cutouts and scuba-inspired high neck. The swimsuit has a zippered front, hands on hips confidently against a neutral background.
A person with long hair in a bun wears Gigi C Bikinis dark brown, sleeveless Mathilda One Piece in scuba fabric with eyelet details. They are seated on a beige surface against a matching backdrop, leaning on one arm and looking forward.
A person wearing the Gigi C Bikinis Mathilda One Piece, a brown sleeveless leotard with triangle laser cutouts and studs, stands against a beige background with raised arms crossed overhead.
A woman stands barefoot on a beige background in a sleeveless brown bodysuit with triangle laser cutouts, facing away. Her hair is styled in a bun beside a semicircular arch, highlighting the sleek design of the Mathilda One Piece by Gigi C Bikinis.
A woman gracefully poses in a dark brown Mathilda One Piece swimsuit by Gigi C Bikinis against a light brown backdrop. She leans forward with arms elegantly placed and hair styled in a bun, set before a curved structure featuring delicate triangle laser cutouts.

Mathilda One Piece

Sale price$240.00
Size: XS
Size Guide
Inches Centimeters

SWIM Tops

SIZE BUST SIZE CUP SIZE
XS 32 — 33 ½ 34A / 32B / 30C
S 34 — 35 ½ 36A / 34B / 32C
M 36 ½ — 38 38A / 36B / 34C / 32D
L 39 — 41 38B / 36C / 34D / 34DD
XL 42 — 44 40B / 38C / 36D / 36DD

SWIM Bottoms

SIZE PANT SIZE HIPS
XS 0 — 2 34 ½ — 36
S 4 — 6 36 ½ — 38 ½
M 8 — 10 39 ½ — 41
L 12 — 14 42 — 44
XL 16 — 18 45 — 47

One-Piece SWIMSUITS

SIZE BUST WAIST HIPS
XS 32 — 33 ½ 24 ½ — 26 34 ½ — 36
S 34 — 35 ½ 26 ½ — 28 36 ½ — 38 ½
M 36 ½ — 38 29 — 30 ½ 39 ½ — 41
L 39 — 41 31 ½ — 33 ½ 42 — 44
XL 42 — 44 35 ½ — 38 ½ 45 — 47

SPORTS BRAS & TANKS

SIZE BUST SIZE CUP SIZE
XS 32 — 33 ½ 34A / 32B / 30C
S 34 — 35 ½ 36A / 34B / 32C
M 36 ½ — 38 38A / 36B / 34C / 32D
L 39 — 41 38B / 36C / 34D / 34DD
XL 42 — 44 40B / 38C / 36D / 36DD

LEGGINGS & SHORTS

SIZE WAIST STANDARD INSEAM HIPS
XS 24 ½ — 26 26 ½ 34 ½ — 36
S 26 ½ — 28 26 ½ 36 ½ — 38 ½
M 29 — 30 ½ 26 ½ 39 ½ — 41
L 31 ½ — 33 ½ 26 ½ 42 — 44
XL 35 ½ — 38 ½ 26 ½ 45 — 47

JUMPSUITS & ROMPERS

SIZE BUST WAIST HIPS
XS 32 — 33 ½ 24 ½ — 26 34 ½ — 36
S 34 — 35 ½ 26 ½ — 28 36 ½ — 38 ½
M 36 ½ — 38 29 — 30 ½ 39 ½ — 41
L 39 — 41 31 ½ — 33 ½ 42 — 44
XL 42 — 44 35 ½ — 38 ½ 45 — 47











Color: Chocolate

The Mathilda One Piece from our Resort 2025 Collection. Crafted from our signature Scuba, the Mathilda is a snug and sculpting one piece with a front zip closure and our signature triangle laser cutouts featured along the seams.

    Size & Fit
    The Mathilda One Piece by Gigi C Bikinis is a black high-neck bodysuit with triangle laser cutouts, a front zipper, and triangular white side accents. Its scuba-inspired fitted design enhances the waist and hips, featuring a high-cut leg for added allure.

    Mathilda One Piece

    • True to size fit
    • Stretch and sculpting fabric
    • 79% polyester and 21% spandex
    • Model is 5"10.5 wearing an XS

    Inches Centimeters

    SWIM Tops

    SIZE BUST SIZE CUP SIZE
    XS 32 — 33 ½ 34A / 32B / 30C
    S 34 — 35 ½ 36A / 34B / 32C
    M 36 ½ — 38 38A / 36B / 34C / 32D
    L 39 — 41 38B / 36C / 34D / 34DD
    XL 42 — 44 40B / 38C / 36D / 36DD

    SWIM Bottoms

    SIZE PANT SIZE HIPS
    XS 0 — 2 34 ½ — 36
    S 4 — 6 36 ½ — 38 ½
    M 8 — 10 39 ½ — 41
    L 12 — 14 42 — 44
    XL 16 — 18 45 — 47

    One-Piece SWIMSUITS

    SIZE BUST WAIST HIPS
    XS 32 — 33 ½ 24 ½ — 26 34 ½ — 36
    S 34 — 35 ½ 26 ½ — 28 36 ½ — 38 ½
    M 36 ½ — 38 29 — 30 ½ 39 ½ — 41
    L 39 — 41 31 ½ — 33 ½ 42 — 44
    XL 42 — 44 35 ½ — 38 ½ 45 — 47

    SPORTS BRAS & TANKS

    SIZE BUST SIZE CUP SIZE
    XS 32 — 33 ½ 34A / 32B / 30C
    S 34 — 35 ½ 36A / 34B / 32C
    M 36 ½ — 38 38A / 36B / 34C / 32D
    L 39 — 41 38B / 36C / 34D / 34DD
    XL 42 — 44 40B / 38C / 36D / 36DD

    LEGGINGS & SHORTS

    SIZE WAIST STANDARD INSEAM HIPS
    XS 24 ½ — 26 26 ½ 34 ½ — 36
    S 26 ½ — 28 26 ½ 36 ½ — 38 ½
    M 29 — 30 ½ 26 ½ 39 ½ — 41
    L 31 ½ — 33 ½ 26 ½ 42 — 44
    XL 35 ½ — 38 ½ 26 ½ 45 — 47

    JUMPSUITS & ROMPERS

    SIZE BUST WAIST HIPS
    XS 32 — 33 ½ 24 ½ — 26 34 ½ — 36
    S 34 — 35 ½ 26 ½ — 28 36 ½ — 38 ½
    M 36 ½ — 38 29 — 30 ½ 39 ½ — 41
    L 39 — 41 31 ½ — 33 ½ 42 — 44
    XL 42 — 44 35 ½ — 38 ½ 45 — 47











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