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.

String Bikini Brief 3 Pack
Cocoa

$81

High Waist Brief 3 Pack
Taupe

$81

String Bikini Brief 3 Pack
Black

$81

String Bikini Brief 3 Pack
Taupe

$81

Mid Rise Thong 3 Pack
Black

$81

String Bikini Brief 3 Pack
Pearl

$81

String Bikini Brief 3 Pack
Navy

$81

Mid Rise Thong 3 Pack
Pearl

$81

Mid Rise Thong 3 Pack
Taupe

$81

Mid Rise Thong 3 Pack
Navy

$81

Scoop Bralette
Taupe

$78

24/7 High Neck Bra Top
Black

$88

24/7 High Neck Bra Top
Navy

$88

24/7 High Neck Bra Top
Pearl

$88

Scoop Bralette
Pearl

$78

Triangle Bralette
Cocoa

$78

Triangle Bralette
Black

$78

Triangle Bralette
Navy

$78

Triangle Bralette
Pearl

$78

Scoop Bralette
Navy

$78

Short Jumpsuit
Black

$138

High Neck Movement Bra
Black

$94

High Neck Movement Bra
Navy

$94

24/7 Lounge Bra Top w/ Adjustability
Pearl

$88

24/7 Scoop Tank
Navy

$96

High Neck Movement Bra
Pearl

$94

24/7 Lounge Bra Top w/ Adjustability
Navy

$88

24/7 Lounge Bra Top w/ Adjustability
Black

$88

24/7 Scoop Tank
Black

$96

Micro Mini Shorts 3 Pack
Black

$91

24/7 Scoop Tank
Pearl

$96

Micro Mini Shorts 3 Pack
Cocoa

$91

Micro Mini Shorts 3 Pack
Navy

$91

Micro Mini Shorts 3 Pack
Pearl

$91

Micro Mini Shorts 3 Pack
Taupe

$91

24/7 Lounge Bra Top
Navy

$88

24/7 Lounge Bra Top
Pearl

$88

24/7 Lounge Bra Top
Black

$88

Racerback Movement Bra
Black

$88

Racerback Movement Bra
Navy

$88

Racerback Movement Bra
Pearl

$88

Cami Bodysuit
Black

$98

24/7 Legging 25"
Black

$118

Scoop Bralette
Black

$78

Cami Bodysuit
Taupe

$98

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Soft Rib Socks
3 Pack

$52

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Dev by WeDev

What is my size?

Waist

Hip

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

Measurement	XS US 0–2	S US 2–4	M US 6–8	L US 10–12	XL US 14–16
Waist (cm)	63.5–68.5	68.5–73.5	73.5–78.5	78.5–94	94–101.5
Hip (cm)	86.5–91.5	91.5–96.5	96.5–101.5	101.5–109	109–117
Chest (cm)	81.5–86.5	86.5–91.5	91.5–96.5	96.5–101.5	101.5–108

If you are between sizes, for tighter look – size down, for looser look – size up.