Trustpilot
6 inch in-seam
Boxer Brief - Black & Grey
Boxer Brief
Thicker Legs
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4 inch in-seam
Trunk - Black Mambas
Trunk
Thinner Legs
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Front Fly

8 inch in-seam
Boxer Brief Sport - Nightriders
Boxer Brief Sport
Longer For Activity
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Limited Editions

Kids Sizes
Junior Trunk - Navy
Junior Trunk
Ages 2 - 14
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Which Step One Underwear should you choose?

Best Seller
Men's Bamboo Underwear Boxers in black and grey - Model:Skyler
Boxer Brief
  • 6 inch in-seam
  • Anti-chafe Ultraglyde panels
  • Sweat wicking bamboo viscose fabric
  • Suits thicker legs
  • 3D comfort pouch
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[EXP-A] Trunk - Black Currants - Bamboo Underwear - Model:Vince
Trunk
  • 4 inch in-seam
  • Anti-chafe Ultraglyde panels
  • Sweat wicking bamboo viscose fabric
  • Suits Thinner Legs
  • Good for shorter guys
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[EXP-A] Black Underwear with Fly at Step One - Model:Angus
Boxer Brief Fly
  • 6 inch in-seam
  • Anti-chafe Ultraglyde panels
  • Sweat wicking bamboo viscose fabric
  • Easy access front fly
  • 3D comfort pouch
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[EXP-A] Boxer Brief Sport - Stallions - Bamboo Underwear - Model:Daniel F
Boxer Brief Sport
  • 8 inch in-seam
  • Anti-chafe Ultraglyde panels
  • Sweat wicking bamboo viscose fabric
  • Longer for activity
  • 3D Comfort Pouch
Shop Boxer Brief Sport