Size 40B Strapless Bras

Size 40B strapless bras deliver balanced support with a smooth, contoured shape. Designed to stay secure without slipping, these styles provide gentle lift and structure. Feel supported, comfortable, and confident in every outfit.

Wacoal

Wacoal Red Carpet Strapless Bra 854119 - Natural Nude

$78.00

Elila

Elila Lace Strapless Longline Bra 6621 - Black

$89.00

Elila

Elila Lace Strapless Longline Bra 6621 - Nude

$89.00

Dominique

Dominique Vivienne Deep Front Plunge V Wire Longline 8990 - Mocha

$86.00

Carnival

Carnival Invisible Torsolette Longline Bra 426 - Black

$96.00

Carnival

Carnival Invisible Torsolette Longline Bra 426 - White

$96.00

40B Strapless Bras: Balanced Support with a Smooth, Natural Fit

40B strapless bras are designed to give a balanced level of support while keeping a clean, strap-free look. At this size, light structure helps shape without adding bulk, creating a smooth and natural finish under clothing. The cups are softly contoured to follow your shape, while the band holds everything in place. Each design is tailored for a 40B frame, so the fit feels secure, comfortable, and easy to wear throughout the day.

40B Strapless Bras That Stay in Place and Hold Securely

A 40B strapless bra should stay put without constant adjusting. These styles use firm underbands and grip-lined edges to reduce slipping and keep the bra positioned correctly. The structure provides steady support while maintaining a natural feel that works for both everyday wear and special outfits. Smooth finishes keep everything invisible under fitted tops and dresses, so your look stays clean and polished. The Bra Diva’s 40B strapless bras are made to deliver a secure, reliable fit you can trust.

Looking for a nearby size? Check out our strapless bras in other sizes: 38B strapless bras, 40C strapless bras, 42B strapless bras, 40A strapless bras.