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BackClothing

Performance Underwear & Baselayers for Men Size 38

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18 items
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Athletic man with short hair wearing a fitted black long-sleeve shirt and black pants, standing against a plain light background.

ODLOPERFORMANCE LIGHT - Undershirt - black

€59.95

Black long leggings made of stretch fabric, featuring a snug fit and smooth texture with reinforced seams for durability.
  • Top rated
  • Deal

SmartwoolMEN'S MERINO 250 BASELAYER BOTTOM - Base layer - black

€79.95

Originally:€114.95

Last lowest price:€91.95-13%

Black athletic boxer briefs with a textured waistband, featuring a white Nike logo. Smooth fabric with a fitted design, mid-thigh length.
  • Deal
  • Mix and match

Nike PerformanceBRIEF SHORT - Trunks - black/white

€28.65

Regular price:€37.95-25%

Black leggings made of soft material, featuring a fitted design, elastic waistband, and a front opening. Suitable for layering or active wear.
  • Deal

Danish EnduranceMERINO THERMAL PANTS WITH FLY - Base layer - black

€61.95

Last lowest price:€72.95-15%

adidas Performance ESSENTIAL - Boxer briefs - schwarz

adidas PerformanceESSENTIAL - Boxer briefs - schwarz

€34.95

Green athletic shorts made from smooth material, featuring a snug fit, mid-thigh length, and a white Nike logo on the left side.
  • Deal

Nike PerformancePRO - Base layer - verde

€25.16

Regular price:€29.95-16%

ODLO RUNNING - PERFORMANCE FUNDAMENTALS - Base layer - schwarz
  • Deal

ODLORUNNING - PERFORMANCE FUNDAMENTALS - Base layer - schwarz

€26.21

Regular price:€34.95-25%

Shirtless man with curly hair wearing blue Puma boxer briefs standing against plain background, one hand across chest.
  • 50% organic

PumaLÄNGERES BEIN ATMUNGSAKTIV 2ER PACK - Boxer briefs - blue combo

From€24.95

Man wearing black Puma leggings and white Puma sneakers standing against a plain background.
  • Deal

PumaPUMA X HYROX BASE LAYER - Base layer - black

€20.45

Regular price:€44.95-55%

Three pairs of men's boxer briefs in beige with logo pattern, brown, and olive green, featuring elastic waistbands with "JORDAN" branding.

JordanMENS FLIGHT 3 PACK - Boxer briefs - hemp

€39.95

Black boxer shorts made of stretchy fabric with a branded elastic waistband. Features snug fit and mid-thigh length.
  • 50% organic

PumaLÄNGERES BEIN ATMUNGSAKTIV 2ER PACK - Boxer briefs - schwarz

From€34.62

Black athletic shorts made from stretchy fabric, featuring a textured panel with geometric designs on the sides and a branded logo on the front.
  • Deal

uhlsportTrunks - schwarz

From€35.06

Last lowest price:€44.95up to-22%

Male wearing black drawstring sweatpants and white sneakers, standing against a plain light background, mid-torso down visible.
  • Deal

SmilodoxCASUAL CLASSIC ILYAS - Tracksuit bottoms - schwarz

€38.99

Regular price:€59.99-35%

Three pairs of men's boxer briefs: red with black logos, gray, and solid black. All feature a black waistband with white "JORDAN" text and logos.

JordanMENS FLIGHT 3 PACK - Boxer briefs - gym red

€39.95

Black athletic pants with a fitted design, made of breathable material, featuring a multicolored striped waistband and a front pouch.
  • Deal
  • Mix and match

PatagoniaCAP MW BOTTOMS - Base layer - black

€53.95

Originally:€89.95

Last lowest price:€71.95-25%

Young man with short brown hair wearing navy blue Jordan boxer briefs with logo waistband, standing against plain light background.

JordanMENS FLIGHT 3 PACK - Boxer briefs - dark blue/grey/black

€33.95

Regular price:€39.95-15%

Black athletic shorts with a wide waistband featuring embossed branding. The fabric appears smooth and fitted, accentuating a muscular physique.

JordanSHORT - Trunks - black

€34.95

White boxer briefs with a branded elastic waistband, close-fitting design, and a smooth, lightweight fabric. Stretch material enhances comfort.

JordanSHORT - Trunks - white

€34.95

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