Waist – Measure your natural waistline at or just above your belly button.
Hip – Measure around the fullest part of your hips and buttocks.
Inseam – Measure from the crotch seam down to the bottom of the leg opening.
Bust & Underbust
Bust – Measure under your arms and around the fullest part of your chest. Keep the tape level and snug, but not tight.
Underbust – Measure directly under your bust around your ribcage. Keep the tape level and snug, but not tight.
Length & Torso
Length – Measure the distance from the base of your neck down to the hemline.
Shoulder – Measure from shoulder seam to shoulder seam across the back.
Chest – Measure across the chest 1 inch below the armholes.
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Star Flex is our 3” inseam boxer brief in a lightweight, sweat-wicking, and supportive recycled poly fabric.
• Active underwear made for movement • Made with recycled fabrics • 3" inseam, mid-rise • Medium thigh compression • Sweat-wicking and quick-drying active knit fabric • Sleek and smooth for friction-free fit under clothing • Organic cotton gusset for breathability and hygiene
The 3" active boxer brief for maximum range of motion. Star Flex's short inseam stays out of the way during yoga, pilates, and studio workouts — with sweat-wicking recycled fabric and medium compression that holds its position.
3" inseam — shortest active boxer cut; designed for movement without extra fabric
Sweat-wicking, quick-dry recycled poly — lightweight and fast-drying for studio and cardio use
Medium compression — holds position during movement without restricting hip flexion
No elastic digging at inner thigh — leg opening lies flat, no pinching
Sleek, smooth construction — friction-free under any athletic bottom
Organic cotton gusset — breathable natural fiber where it matters most
Zero wedgies during dynamic movement — stays in place through high-knee work
Size-inclusive — XS to 4XL
Flex Active
88% RECYCLED POLYESTER, 12% ELASTANE
Knit from OEKO-TEX certified recycled polyester and spandex, Flex fabric is for athletes who need freedom of movement. Extremely lightweight and sweat-wicking, it feels silky smooth and friction-free under clothing. With a medium compressive fit, Flex fabric is here to empower your best performance.
Softness
Weight
Stretch
Breathability
Softness
Weight
Stretch
Breathability
88% RECYCLED POLYESTER, 12% ELASTANE
Knit from OEKO-TEX certified recycled polyester and spandex, Flex fabric is for athletes who need freedom of movement. Extremely lightweight and sweat-wicking, it feels silky smooth and friction-free under clothing. With a medium compressive fit, Flex fabric is here to empower your best performance.
Machine wash cold
tumble dry low
OEKO-TEX® Certified
2X softer than cotton
Wedgie free
No-dig waistband
OEKO-TEX® Certified
Star Flex is our 3” inseam boxer brief in a lightweight, sweat-wicking, and supportive recycled poly fabric.
• Active underwear made for movement
• Made with recycled fabrics
• 3" inseam, mid-rise
• Medium thigh compression
• Sweat-wicking and quick-drying active knit fabric
• Sleek and smooth for friction-free fit under clothing
• Organic cotton gusset for breathability and hygiene
Star Flex is our 3” inseam boxer brief in a lightweight, sweat-wicking, and supportive recycled poly fabric.
• Active underwear made for movement • Made with recycled fabrics • 3" inseam, mid-rise • Medium thigh compression • Sweat-wicking and quick-drying active knit fabric • Sleek and smooth for friction-free fit under clothing • Organic cotton gusset for breathability and hygiene
Star Flex is our 3” inseam boxer brief in a lightweight, sweat-wicking, and supportive recycled poly fabric.
• Active underwear made for movement • Made with recycled fabrics • 3" inseam, mid-rise • Medium thigh compression • Sweat-wicking and quick-drying active knit fabric • Sleek and smooth for friction-free fit under clothing • Organic cotton gusset for breathability and hygiene
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