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Your everyday activewear, elevated.
Designed for the gym.
Styled for the street.

“Years of struggling to find stylish high performance activewear that made me feel sexy and confident led me to create SEFI. 


SEFI is a mission beyond clothing. In SEFI you are confident, powerful & sexy.


We're at our best when you feel yours.


Let SEFI take you on an adventure." 

FOUNDER, STEF WILLIAMS

No-pilling guarantee
Contour seamlessly to your body
Feels like a second skin
Why 150,000+ women love us
find your perfect fabric
waffle
Smoothing sculpting waffle texture like no other. 
timeless
Sculpting & supportive in gym, sleek on the street. “Feel supported but naked.”
define
Ultra soft, smooth cool feel and very comfortable - like wearing a hug. 
silhouette
 A whole new level of style - wearing your silhouette. 

“Makes working out a dream”

“This is by far the most flattering gym kit I own”

“Stylish designs you’ll want to wear for more than just an exercise class”

“A flattering silhouette that would fit in just as well at cocktail night with the girls as it does in the gym”

“Workout clothing and co-ord sets to have you looking and feeling your best while you exercise!”

“Stylish designs you’ll want to wear for more than just an exercise class”

“The leggings felt really secure and sculpted in all the right places. They earned a big tick from moi”

“I’ve owned this pair of leggings for around nine months, and they’ve become a wardrobe staple”

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Free Gift Timeless Headband - Taupe Gray

Timeless Headband - Taupe Gray

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