Seamless Nylon Thermal Vest For Women — One-Piece Pullover with Built-In Bra

Embrace warmth without bulk with this Seamless Nylon Thermal Vest crafted for women who value comfort, coverage, and a streamlined silhouette. The one-piece pullover design teams with a built-in bra to deliver light support and shaping in a single, seamless layer—perfect for layering under jackets, coats, or active outerwear.

Why this vest stands out

• Seamless comfort reduces friction under clothes, preventing chafing during daily wear or outdoor activities.
• Built-in bra with bra-padded cups provides light support and a smooth, streamlined look without an extra undergarment.
• Lightweight warmth from a 121–140 g/m² nylon fabric that stays breathable while adding just enough insulation for cool mornings or fall days.
• Anti-static and pilling-resistant nylon fabric keeps cling to a minimum and maintains a clean finish wash after wash.
• Figure-hugging, versatile layering designed to sit neatly under outerwear, making it an ideal base layer for commuting, travel, or outdoor adventures.

Ideal use cases

• Layer under jackets during chilly commutes or weekend hikes for reliable warmth without bulk.
• Wear as a light top for cool office mornings or casual outings where a polished silhouette matters.
• Utilize the built-in bra feature for light support during low-impact activities like walking or yoga warm-ups.
• Packable layering option for travel, thanks to its seamless construction and single-layer design.

Who it’s for

Designed for young adults and beyond who want a practical, stylish base layer that stays comfortable all day. Available in sizes S to 4XL to accommodate a range of body types, with a fit that emphasizes shape without restricting movement.

Color options

Solid color options include:

• Brown
• Skin tone
• Black
• Angora red
• Bean paste pink
• Blue
• Green

Size guidance and fit notes

Important sizing considerations:

• Asian sizes run 1 to 2 sizes smaller than European and American sizes. If you’re between sizes, choose the larger.
• Please allow 2–3 cm differences due to manual measurement.
• Check the size chart before buying. If you’re unsure, contact customer service for guidance.
• Color presentation may vary slightly between devices due to screen differences.

Fabric and construction details

Made from nylon with a lightweight profile (fabric weight 121–140 g/m²) and a single-layer construction. The fabric is designed to be pilling-resistant and comfortable against the skin, while the pullover front design ensures easy on/off and a clean, modern look. The top-style configuration combines a one-piece cup and built-in bra padding for integrated support without the need for separate undergarments.

Product information:
Pattern: Solid color
Colors: Brown, skin tone, black, Angora red, bean paste pink, blue, green
Front design: Pullover style
Sizes: S, M, L, XL, XXL, 3XL, 4XL
Fabric weight (gsm): Lightweight (121–140 g/m²)
Fabric name: Nylon
Number of layers: Single layer
Main fabric composition: Nylon
Top style: One-piece cup/built-in bra/bra-padded
Gender: Women
Fleece-lined: Not fleece-lined
Age group: Young adults (18–40 years)
Product features: Anti-static, figure-hugging, warm, pilling-resistant, suitable for outerwear

Note: 1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement. 2. Please check the size chart carefully before you buy the item, if you don't know how to choose size, please contact our customer service. 3.As you know, the different computers display colors differently, the color of the actual item may vary slightly from the following images.
Packing list:
Vest * 1
Product Image: