Hammer Time One-Piece

Regular price $198.00 USD
Shipping calculated at checkout.
Size
Size guide

Size Guide

Size US Dress Size Bust (in) Waist (in) Hips (in)
XS 0–2 31–33 24–26 33–35
S 4–6 33–35 26–28 35–37
M 6–8 35–37 28–30 37–39
L 10–12 37–39 30–32 39–41
XL 12–14 39–41 32–34 41–43
Only 20 left in stock. Order soon.

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Description

Description

Pre-Order Available NOW

Ships in September

Product Description:


Striking from every angle.

Sculpted for confidence and designed to command attention, this one-piece monokini features bold side cutouts, luxe silver hardware, and a sleek silhouette finished with a metallic hammerhead shark emblem. Crafted from premium Italian Carvico fabric, it offers a second-skin fit that lifts, smooths, and flatters. Whether you’re poolside in Portofino or stepping onto a private yacht, this suit is your armor.

Details:

  • One-piece monokini with high-cut legs and side cutouts
  • Center ring detail at bust
  • Metallic silver hammerhead shark graphic
  • Made with ultra-soft, shaping Carvico fabric from Italy
  • UV-protective (UPF 50+),  breathable and quick drying fabric 
  • Double-lined for support and smooth finish
  • Resort-luxe fit made for the bold and the unforgettable

*Hand Wash only 

Model Measurements:

  • 32 Bust
  • 24 Waist
  • 30 Hips
  • 5’5”
  • 110 lbs
  • Model is wearing size Small 
Size Guide

Size Guide

Size Guide — Under the C Swim (U.S. Sizing)

XS
• Bust: 31–32 in
• Waist: 23–24 in
• Hips: 33–34 in
• Cup Size: A–Small B

S
• Bust: 33–34 in
• Waist: 25–26 in
• Hips: 35–36 in
• Cup Size: B–Small C

M
• Bust: 35–36 in
• Waist: 27–28 in
• Hips: 37–38 in
• Cup Size: Full C–D

L
• Bust: 37–39 in
• Waist: 29–31 in
• Hips: 39–41 in
• Cup Size: D–DD

XL
• Bust: 40–42 in
• Waist: 32–34 in
• Hips: 42–44 in
• Cup Size: Full DD–DDD

Fit Notes:

• Our suits are double-lined and designed to sculpt and support.
• If between sizes, we recommend sizing up for a more relaxed fit, or sizing down for a more snug, lifted feel.
• All tops and bottoms are sold separately to allow custom sizing.

Stylist Tip

Stylist Tip

Made with ultra-soft, shaping Carvico fabric from Italy

Model Measurments

Model Measurments

  • 32 Bust
  • 24 Waist
  • 30 Hips
  • 5’5”
  • 110 lbs
Return & Shipping Policy

Return & Shipping Policy

Shipping Policy (U.S.)
Domestic Shipping (USA):

Standard Shipping: 3–7 business days – $6.95
Free Shipping on orders over $250
Express Shipping: 1–3 business days – $19.95


Order Processing:
Orders ship within 2–3 business days.
Orders placed on weekends or holidays will be processed the next business day.

International Shipping

Calculated at checkout based on destination.
Customer is responsible for any customs duties or taxes.

Return & Exchange Policy
Returns:

We accept returns on full-price, unworn items within 14 days of delivery.
Swimwear must be returned in original condition, with tags and hygiene liners attached.
Return shipping is the customer’s responsibility (or include a $7.95 return label fee if you want to offer prepaid labels).


Exchanges:
We offer free size or style exchanges within 14 days of delivery.


Final Sale Items:
Sale items, discounted pieces, and gift cards are final sale.


Return Process:
To initiate a return or exchange, email us at [hello@underthecswim.com] with your order number.

Frequently asked questions

What are shipping details

Domestic Shipping (USA):

  • Standard Shipping: 3–7 business days – $6.95
  • Free Shipping on orders over $250
  • Express Shipping: 1–3 business days – $19.95

Order Processing:

  • Orders ship within 2–3 business days.
  • Orders placed on weekends or holidays will be processed the next business day.

International Shipping:

  • Calculated at checkout based on destination.
  • Customer is responsible for any customs duties or taxes.
What is the return policy?

We accept returns on full-price, unworn items within 14 days of delivery.

  • Swimwear must be returned in original condition, with tags and hygiene liners attached.
  • Return shipping is the customer’s responsibility.
  • We offer free size or style exchanges within 14 days of delivery.
  • Sale items, discounted pieces, and gift cards are final sale.
  • To initiate a return or exchange, email us at carlyswimwear@gmail.com with your order number.
Need help with sizing or fit?

We're happy to guide you. Email us at fit@underthecswim.com for personalized recommendations.

Where sustainability meets understated luxury

luxurious swimwear

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