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Spring/Summer 2026

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Bestseller
Capri Movement Jumpsuit - PearlCapri Movement Jumpsuit - Pearl
Capri Movement Jumpsuit
Pearl Sale price$152
Bestseller
24/7 Crew Neck Tee - Black24/7 Crew Neck Tee - Black
24/7 Crew Neck Tee
Black Sale price$78
Bestseller
24/7 Capri Legging 19" - Pearl24/7 Capri Legging 19" - Pearl
24/7 Capri Legging 19"
Pearl Sale price$92

Core Collection

Your everyday foundation, refined. SAISEI’s Core pieces are designed for comfort, longevity, and quiet confidence - effortlessly versatile and made to be lived in.

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Bestseller
Hip Brief 3 Pack - TaupeHip Brief 3 Pack - Taupe
Hip Brief 3 Pack
Taupe Sale price$81
24/7 Scoop Tank - Black24/7 Scoop Tank - Black
24/7 Scoop Tank
Black Sale price$78
Micro Mini Shorts 3 Pack - BlackMicro Mini Shorts 3 Pack - Black
Micro Mini Shorts 3 Pack
Black Sale price$91
Bestseller
24/7 Legging 25" - Pearl24/7 Legging 25" - Pearl
24/7 Legging 25"
Pearl Sale price$118
Bestseller
24/7 Long Sleeve Tee - Pearl24/7 Long Sleeve Tee - Pearl
24/7 Long Sleeve Tee
Pearl Sale price$88
Mid Rise Thong 3 Pack - PearlMid Rise Thong 3 Pack - Pearl
Mid Rise Thong 3 Pack
Pearl Sale price$81
Bestseller
24/7 Long Sleeve Tee - Black24/7 Long Sleeve Tee - Black
24/7 Long Sleeve Tee
Black Sale price$88
Bestseller
24/7 Legging 25" - Black24/7 Legging 25" - Black
24/7 Legging 25"
Black Sale price$118
Soft Rib Socks - 3 Pack - Navy / Heather Grey / PearlSoft Rib Socks - 3 Pack - Navy / Heather Grey / Pearl
Soft Rib Socks
3 Pack Sale price$52
Triangle Bra - CocoaTriangle Bra - Cocoa
Triangle Bra
Cocoa Sale price$78
Bestseller
Mid Rise Thong 3 Pack - CocoaMid Rise Thong 3 Pack - Cocoa
Mid Rise Thong 3 Pack
Cocoa Sale price$81
As seen in Vouge CS
High Waist Brief 3 Pack - PearlHigh Waist Brief 3 Pack - Pearl
High Waist Brief 3 Pack
Pearl Sale price$81
Hip Brief 3 Pack - BlackHip Brief 3 Pack - Black
Hip Brief 3 Pack
Black Sale price$81
Bestseller
Open Back Bodysuit - BlackOpen Back Bodysuit - Black
Open Back Bodysuit
Black Sale price$108
String Bikini Brief 3 Pack - TaupeString Bikini Brief 3 Pack - Taupe
String Bikini Brief 3 Pack
Taupe Sale price$81
Soft Rib Socks - 3 Pack - Black / Heather Grey / WhiteSoft Rib Socks - 3 Pack - Black / Heather Grey / White
Soft Rib Socks
3 Pack Sale price$52
24/7 Long Sleeve Tee - Navy24/7 Long Sleeve Tee - Navy
24/7 Long Sleeve Tee
Navy Sale price$88
Bestseller
24/7 Legging 25" - Navy24/7 Legging 25" - Navy
24/7 Legging 25"
Navy Sale price$118
Mid Rise Movement 2" Short - PearlMid Rise Movement 2" Short - Pearl
Mid Rise Movement 2" Short
Pearl Sale price$88
Bestseller
High Rise Movement Legging 25" - PearlHigh Rise Movement Legging 25" - Pearl
High Rise Movement Legging 25"
Pearl Sale price$124
+3
Bestseller
24/7 Crew Neck Tee - Black24/7 Crew Neck Tee - Black
24/7 Crew Neck Tee
Black Sale price$78
Bestseller
24/7 Short 2" - Black24/7 Short 2" - Black
24/7 Short 2"
Black Sale price$88
Racerback Movement Bra - NavyRacerback Movement Bra - Navy
Racerback Movement Bra
Navy Sale price$88
+1
Bestseller
High Rise Movement Legging 25" - BlackHigh Rise Movement Legging 25" - Black
High Rise Movement Legging 25"
Black Sale price$124
+3
Scoop Bralette - TaupeScoop Bralette - Taupe
Scoop Bralette
Taupe Sale price$88
Bestseller
24/7 Crew Neck Tee - Pearl24/7 Crew Neck Tee - Pearl
24/7 Crew Neck Tee
Pearl Sale price$78
Racerback Movement Bra - PearlRacerback Movement Bra - Pearl
Racerback Movement Bra
Pearl Sale price$88
+1
Bestseller
Short Jumpsuit - BlackShort Jumpsuit - Black
Short Jumpsuit
Black Sale price$138
Bestseller
Cami Bodysuit - PearlCami Bodysuit - Pearl
Cami Bodysuit
Pearl Sale price$98
24/7 Short 2" - Pearl24/7 Short 2" - Pearl
24/7 Short 2"
Pearl Sale price$88
High Neck Movement Bra - BlackHigh Neck Movement Bra - Black
High Neck Movement Bra
Black Sale price$94
Bestseller
Racerback Movement Bra - AcornRacerback Movement Bra - Acorn
Racerback Movement Bra
Acorn Sale price$88
+1
Bestseller
High Rise Movement Legging 25" - AcornHigh Rise Movement Legging 25" - Acorn
High Rise Movement Legging 25"
Acorn Sale price$124
+3
Bestseller
Racerback Movement Bra - BlackRacerback Movement Bra - Black
Racerback Movement Bra
Black Sale price$88
+1
High Neck Tank - BlackHigh Neck Tank - Black
High Neck Tank
Black Sale price$78
Mid Rise Movement 2" Short - BlackMid Rise Movement 2" Short - Black
Mid Rise Movement 2" Short
Black Sale price$88
Cami Bodysuit - BlackCami Bodysuit - Black
Cami Bodysuit
Black Sale price$98
24/7 Lounge Bra Top - Navy24/7 Lounge Bra Top - Navy
24/7 Lounge Bra Top
Navy Sale price$88
+1
High Rise Movement Legging 25" - NavyHigh Rise Movement Legging 25" - Navy
High Rise Movement Legging 25"
Navy Sale price$124
+3
High Neck Tank - PearlHigh Neck Tank - Pearl
High Neck Tank
Pearl Sale price$78
Cami Bodysuit - TaupeCami Bodysuit - Taupe
Cami Bodysuit
Taupe Sale price$98
Micro Mini Shorts 3 Pack - CocoaMicro Mini Shorts 3 Pack - Cocoa
Micro Mini Shorts 3 Pack
Cocoa Sale price$91
Bestseller
String Bikini Brief 3 Pack - CocoaString Bikini Brief 3 Pack - Cocoa
String Bikini Brief 3 Pack
Cocoa Sale price$81
24/7 Lounge Bra Top w/ Adjustability - Pearl24/7 Lounge Bra Top w/ Adjustability - Pearl
24/7 Lounge Bra Top w/ Adjustability
Pearl Sale price$88
Bestseller
24/7 Lounge Bra Top - Pearl24/7 Lounge Bra Top - Pearl
24/7 Lounge Bra Top
Pearl Sale price$88
+1
24/7 Lounge Bra Top - Black24/7 Lounge Bra Top - Black
24/7 Lounge Bra Top
Black Sale price$88
+1
24/7 Short 2"- Navy24/7 Short 2"- Navy
24/7 Short 2"- Navy Sale price$88
Bestseller
24/7 Crew Neck Tee - Navy24/7 Crew Neck Tee - Navy
24/7 Crew Neck Tee
Navy Sale price$78

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What is my size?
Waist measurement

Waist

Hip measurement

Hip

Chest measurement

Chest

Measurement XS
US 0–2		 S
US 2–4		 M
US 6–8		 L
US 10–12		 XL
US 14–16
Waist (in) 25-27 27-29 29-31 31-37 37-40
Hip (in) 34-36 36-38 38-40 40-43 43-46
Chest (in) 32-34 34-36 36-38 38-40 40-42.5
If you are between sizes, for tighter look – size down, for looser look – size up.
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Dev by WeDev