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The BIOS Short Back to Men Bottoms Everyday Pant 2.0 - Classic Fit

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Flex Boxer Briefs

Regular price $32.00 Sale price $9.60
Availability: In stock SKU: MBUW0199_001_S

Go kalles this summer with this vintage navy and white striped v-neck t-shirt from the Nike. Perfect for pairing with denim and white kicks for a stylish kalles vibe.

Color: Black
Size: S

Size Chart

BYLT Basics Combined Size Chart

BYLT Basics Size Chart

Measurement unit: in = inches; cm = centimeters. Slight variations exist between different styles, please refer to the size guide on each product page.

Men Tops (T‑Shirt / Polo / Outerwear)

Size Chest(in) Chest(cm) Hip(in) Hip(cm)
S 38‑40 96.5‑101.6 38‑39 96.5‑99.1
M 40‑42 101.6‑106.7 40‑41 101.6‑104.1
L 42‑44 106.7‑111.8 42‑43 106.7‑109.2
XL 44‑47 111.8‑119.4 44‑45 111.8‑114.3
2XL 47‑52 119.4‑132.1 46‑47 116.8‑119.4
3XL 52‑55 132.1‑139.7 48‑49 121.9‑124.5
How to measure chest: measure around the fullest part of your chest under arms. Hip: measure around the fullest part of hips.

Men Bottoms (Shorts & Pants)

Alpha Size Numeric US Waist Waist(in) Waist(cm) Hip(in) Hip(cm)
S 30‑31 32‑33 81.3‑83.8 38‑39 96.5‑99.1
M 32‑33 34‑35 86.4‑88.9 40‑41 101.6‑104.1
L 34 36‑37 91.4‑94.0 42‑43 106.7‑109.2
XL 36 38‑39 96.5‑99.1 44‑45 111.8‑114.3
2XL 38 40‑41 101.6‑104.1 46‑47 116.8‑119.4
3XL 40 42‑44 106.7‑111.8 48‑49 121.9‑124.5
Inseam varies by style. Some fits run large, consider sizing down.

Women Tops & Outerwear

Size Chest(cm) Waist(cm) Hip(cm)
XS 81.25‑85.00 63.75‑67.50 87.50‑91.25
S 86.25‑90.00 68.75‑72.50 92.50‑96.25
M 91.25‑95.00 73.75‑77.50 97.50‑101.25
L 97.50‑102.50 80.00‑85.00 103.75‑108.75
XL 107.50‑113.75 90.00‑96.25 113.75‑120.00
1 inch = 2.54 cm. Refer to individual product fit notes before ordering.

Women Bottoms

Size Waist(in) Hip(in)
XS 25.5‑27.0 35.0‑36.5
S 27.5‑29.0 37.0‑38.5
M 29.5‑31.0 39.0‑40.5
L 32.0‑34.0 41.5‑43.5
XL 36.0‑38.5 44.5‑48.0
Some women’s pants fit small. Inseam length listed on each product page.

How To Measure

  • Chest: Wrap tape around the fullest part of chest, under arms.
  • Waist: Wrap tape around the narrowest part of natural waist.
  • Hip: Wrap tape around the fullest part of hips.
  • Inseam: Measure from crotch inner seam down to pant hem.
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Flex Boxer Briefs

Flex Boxer Briefs

Experience comfort and performance with our Flex Boxer Briefs. Designed for peak performance, the custom flex-knit fabric blend offers support, breathability, and cool-touch mesh for optimal temperature control. Perfect for everyday wear, these briefs ensure comfort from morning to night.

Color

Black, Storm, White, Dark-Olive, Steel, Dark-Charcoal, Navy, Newport, Blurry-Vision, Late-Bloomer, Flower-Shadows, Orchid-Dreams
Size

S, M, L, XL, 2XL, 3XL

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