Filters
SisGains
Active Chic Tennis Skirt
Sale price£29.99
SisGains
Asymmetrical One-Shoulder Sports Bra
Sale price£20.99
SisGains
Breathable Lift Workout Shorts
Sale price£21.99
SisGains
Breathable Mesh Side Leggings
Sale price£39.99
Regular price£49.99
SisGains
Butterfly Twist Crop Top
Sale price£27.99
SisGains
Chic Tennis Skirt
Sale price£24.99
SisGains
Classic Round Neck Crop Top
Sale price£24.99
SisGains
Cozy High-Neck Full-Zip Jacket
Sale price£42.99
SisGains
Criss-Cross Back Crop Top
Sale price£27.99
SisGains
Cross-Waist Sculpting Seamless Shorts
Sale price£17.99
SisGains
Cross-Waist Sculpting Workout Shorts
Sale price£19.99
SisGains
CrossBack Luxe Sports Bra
Sale price£21.99
SisGains
Crossback Sports Bra & Curve-Enhancing Leggings Set
Sale price£34.99
SisGains
CrossBack Support Sports Bra
Sale price£21.99
SisGains
Curved Comfort Sports Bra
Sale price£21.99
SisGains
Dynamic Chic Tennis Skirt
Sale price£32.99
SisGains
Elastic Waist Sweatpants with Side Pockets
Sale price£44.99
SisGains
Elegant Compression Long-Sleeve Top
Sale price£24.99
SisGains
Flex Chic Tennis Skirt
Sale price£32.99
SisGains
Form-Fitting Zipper Top with Thumbholes
Sale price£32.99
SisGains
Halter Neck Curves Sports Bra
Sale price£21.99
SisGains
High-Collar Full-Zip Jacket
Sale price£24.99
SisGains
Lift & Sculpt Seamless Shorts
Sale price£19.99
SisGains
Mesh Side Performance Leggings
Sale price£37.99
SisGains
Open-Back Petal Crop Sweatshirt
Sale price£29.99
SisGains
Peach Lift Shorts
Sale price£19.99
SisGains
Peach Sculpt Long-Sleeve Activewear Set
Sale price£44.99
SisGains
Premium Seamless 3-Piece Activewear Set
Sale price£54.99
SisGains
Relaxed Fit Fleece Sweatpants
Sale price£37.99
SisGains
Ruched Back Performance Leggings
Sale price£29.99
SisGains
Ruched Back Pocket Leggings
Sale price£24.99
SisGains
Sculpted A-Line Tennis Dress
Sale price£36.99
SisGains
Sculpted Back Cutout Jumpsuit
Sale price£34.99
SisGains
Sculpted Tennis Dress
Sale price£49.99
SisGains
SculptFit Cutout Back Jumpsuit
Sale price£34.99
SisGains
SculptFlex Backless Jumpsuit
Sale price£34.99
SisGains
SculptFlex Stand-Up Collar Cutout Jumpsuit
Sale price£34.99
SisGains
Sculpting Round Neck Long Sleeve Crop Top
Sale price£22.99
SisGains
Sculpture U-Neck Cutout Jumpsuit
Sale price£29.99
SisGains
Seamless Long Sleeve Half-Zip Jumpsuit
Sale price£34.99
SisGains
Seamless Motion Performance Leggings
Sale price£24.99
Regular price£34.99
SisGains
Sleek A-Line Performance Tennis Dress
Sale price£36.99
SisGains
Sleek Asymmetrical Activewear 2-Piece Set
Sale price£44.99
SisGains
Sleek Zip-Up Cropped Jacket
Sale price£29.99
SisGains
Sleek Zip-Up Jacket
Sale price£29.99
SisGains
Slim-Fit Sculpting T-Shirt
Sale price£18.99
SisGains
Straight-Leg & Wide-Leg Sweatpants with Drawstring
Sale price£39.99
SisGains
Straight-Leg Sweatpants with Side Pockets
Sale price£44.99
SELF-CONFIDENCE
Designed to highlight your curves and boost your self-confidence with every wear.
FLEXIBLE STYLE
SISGAINS moves with you—perfect for both workouts and everyday wear.
STAY MOTIVATED
Premium activewear that drives you to push limits and reach your goals.