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
Hooded two-piece set
Fit-and-flare jacket
Copacabana legging
Monarch legging
Fringe halter bikini
Lace colorblock two-piece warm-up set
Everyday yoga pant
Off-the-shoulder top
Side-tie skirted hipster bikini bottom
Scoop-neck sweatshirt
V-neck hooded tunic top
Twist band hipster bikini bottom
Strappy back detail tunic top
Sweetheart cup bra bikini top
Shirred halter tankini top
Chain print one-shoulder one-piece swimsuit
Tie-dye surplice tunic top
Everyday bermuda short
Copacabana macrame tank top
Everyday skort
Blouson maillot one-piece swimsuit
Strappy long-sleeve top
Greek tiles goddess one-piece swimsuit
Front lace-up sweatshirt
Lace-up legging
Mesh cropped two-piece set