Be effortlessly sexy this Fall & Winter in women's swimwear and activewear from Boston Proper. Boston Proper has women's swimwear from sexy to solution like bikinis, tankinis, one-pieces and separates plus caftans and cover-ups you won't find anywhere else.

Vacation halter top
Floral graphic legging
Chic zippered sport coordinates
Laser-cut two-piece set
Laser-cut crop legging
Deep V sweatshirt
Basic leggings
Chic travel coordinates
Lattice legging
Nautical colorblock two-piece set
Fringe halter bikini
Side-tie skirted hipster bikini bottom
V-neck hooded tunic top
Off-the-shoulder top
Lace colorblock two-piece warm-up set
Everyday yoga pant
Twist band hipster bikini bottom
Sweetheart cup bra bikini top
Scoop-neck sweatshirt
Strappy back detail tunic top
Shirred halter tankini top
Copacabana legging
Copacabana macrame tank top
Chain print one-shoulder one-piece swimsuit
Everyday skort
Fit-and-flare jacket
Hooded two-piece set
Everyday bermuda short
Tie-dye surplice tunic top
Strappy long-sleeve top
Blouson maillot one-piece swimsuit
Monarch legging
Front lace-up sweatshirt
Greek tiles goddess one-piece swimsuit
High waist legging
Mesh cropped two-piece set