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
Everyday yoga pant
Lace wrap legging
Basic leggings
Chic zippered sport coordinates
Sexy plunge one-piece swimsuit
Peace on earth sweatshirt
Quilted faux fur two-piece set
Beaded turtleneck top
Eat, drink, be merry tee
Embroidered beaded two-piece set
Embroidered tassel dress
Pom-pom handkerchief tankini
Long sleeve basic tee
Tropical crochet one-piece swimsuit
Scoop-neck sweatshirt
Nautical colorblock two-piece set
Lattice legging
Fringe halter bikini
Sweetheart cup bra bikini top
Twist band hipster bikini bottom
Side-tie skirted hipster bikini bottom
Floral graphic legging
Laser-cut two-piece set
Teardrop sweatshirt
Shirred halter tankini top
Draped mesh top
Vacation halter top
New loop terry two-piece set
Lace-up legging