Rise In Comfort

The Pro Flex is made to move with minimal friction and total support.

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Pro Flex Max Boxer Brief: Electric Palm-Heather Sand | BN3TH Underwear Pro Flex Max Boxer Brief: Electric Palm-Heather Sand | BN3TH Underwear
Pro Flex Max Boxer Brief
Electric Palm-Heather Sand
Performance Polyester Mesh
Everyday Sport
$26.00 USD
Pro Flex Max Boxer Brief: Mykonos Blue | BN3TH Underwear Pro Flex Max Boxer Brief: Mykonos Blue | BN3TH Underwear
Pro Flex Max Boxer Brief
Mykonos Blue
Performance Polyester Mesh
Everyday Sport
$26.00 USD
Pro Flex Boxer Brief : Skydiver/Electric Tangerine 2 Pack Pro Flex Boxer Brief : Skydiver/Electric Tangerine 2 Pack
-11%
Pro Flex Boxer Brief
Skydiver/Electric Tangerine 2 Pack
Performance Polyester Mesh
All-Purpose Sport
$52.00 USD $46.00 USD
Pro Flex Boxer Brief : Black/Charcoal 2 Pack Pro Flex Boxer Brief : Black/Charcoal 2 Pack
-11%
Pro Flex Boxer Brief
Black/Charcoal 2 Pack
Performance Polyester Mesh
All-Purpose Sport
$52.00 USD $46.00 USD
Pro Flex Boxer Brief: Black/Recovery/Rhubarb 3 Pack Pro Flex Boxer Brief: Black/Recovery/Rhubarb 3 Pack
-10%
Pro Flex Boxer Brief
Black/Recovery/Rhubarb 3 Pack
Performance Polyester Mesh
All-Purpose Sport
$78.00 USD $70.00 USD
Pro Flex Boxer Brief : Black 3 Pack Pro Flex Boxer Brief : Black 3 Pack
-10%
Pro Flex Boxer Brief
Black 3 Pack
Performance Polyester Mesh
All-Purpose Sport
$78.00 USD $70.00 USD
Pro Flex Boxer Brief: Black Rhubarb Pro Flex Boxer Brief: Black Rhubarb
Pro Flex Boxer Brief
Black Rhubarb
Performance Polyester Mesh
All-Purpose Sport
$0.00 USD $26.00 USD
Pro Flex Boxer Brief: Recovery Black Pro Flex Boxer Brief: Recovery Black
Pro Flex Boxer Brief
Recovery Black
Performance Polyester Mesh
All-Purpose Sport
$0.00 USD $26.00 USD
Pro Flex Boxer Brief: Oversized Covert Camo Pro Flex Boxer Brief: Oversized Covert Camo
Pro Flex Boxer Brief
Oversized Covert Camo
Performance Polyester Mesh
All-Purpose Sport
$0.00 USD $26.00 USD
Pro Flex Max Boxer Brief: Vivid Blue from BN3TH Underwear Pro Flex Max Boxer Brief: Vivid Blue from BN3TH Underwear
New
Pro Flex Max Boxer Brief
Vivid Blue
Performance Polyester Mesh
Everyday Sport
$26.00 USD