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.

Grommet lace-up poncho
Plaid legging
Plaid two-piece set
Tie-dye surplice tunic top
Lace colorblock two-piece warm-up set
Chic travel coordinates
Deep V sweatshirt
Deep V sweatshirt
Specially Priced Starting At $59.00
Everyday yoga pant
Mesh blurred legging
Lace wrap legging
Basic leggings
Chic zippered sport coordinates
Laser-cut crop legging
Laser-cut crop legging
Specially Priced At  $59.00
Draped mesh top
Draped mesh top
Specially Priced At  $39.00
Gold foil graphic tee
Gold foil graphic tee
Specially Priced At  $39.00
Lace-up legging
Teardrop sweatshirt
Colorblock foil legging
Colorblock foil legging
Specially Priced At  $49.00
Laser-cut two-piece set
Laser-cut two-piece set
Specially Priced At  $129.00
Floral graphic legging
Floral graphic legging
Specially Priced At  $49.00
Vacation halter top
Vacation halter top
Specially Priced At  $49.00
Strappy back detail tunic top
Nautical colorblock two-piece set
Scoop-neck sweatshirt
Side-tie skirted hipster bikini bottom
Lattice legging
Twist band hipster bikini bottom
Hooded two-piece set
V-neck hooded tunic top
Fringe halter bikini
Sweetheart cup bra bikini top
Shirred halter tankini top
New loop terry two-piece set
Monarch legging
Strappy long-sleeve top
Copacabana legging