Rise In Comfort

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

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Pro Flex Max Boxer Brief: Spectrum-Shadow | BN3TH Underwear Pro Flex Max Boxer Brief: Spectrum-Shadow | BN3TH Underwear
Pro Flex Max Boxer Brief
Spectrum-Shadow
Performance Polyester Mesh
Everyday Sport
$28.00 CAD
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
$28.00 CAD
Pro Flex Max Boxer Brief: Black | BN3TH Underwear Pro Flex Max Boxer Brief: Black | BN3TH Underwear
Pro Flex Max Boxer Brief
Black
Performance Polyester Mesh
Everyday Sport
$28.00 CAD
Pro Flex Max Boxer Brief: Beet Red | BN3TH Underwear Pro Flex Max Boxer Brief: Beet Red | BN3TH Underwear
Pro Flex Max Boxer Brief
Beet Red
Performance Polyester Mesh
Everyday Sport
$28.00 CAD
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
$28.00 CAD
Pro Flex Boxer Brief : Skydiver/Electric Tangerine 2 Pack Pro Flex Boxer Brief : Skydiver/Electric Tangerine 2 Pack
-10%
Pro Flex Boxer Brief
Skydiver/Electric Tangerine 2 Pack
Performance Polyester Mesh
All Purpose Sport
$56.00 CAD $50.00 CAD
Pro Flex Boxer Brief : Black/Charcoal 2 Pack Pro Flex Boxer Brief : Black/Charcoal 2 Pack
-10%
Pro Flex Boxer Brief
Black/Charcoal 2 Pack
Performance Polyester Mesh
All Purpose Sport
$56.00 CAD $50.00 CAD
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
$28.00 CAD
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 CAD $28.00 CAD
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 CAD $28.00 CAD
Pro Flex Boxer Brief : Black 3 Pack Pro Flex Boxer Brief : Black 3 Pack
-9%
Pro Flex Boxer Brief
Black 3 Pack
Performance Polyester Mesh
All Purpose Sport
$84.00 CAD $76.00 CAD
Pro Flex Boxer Brief: Black/Recovery/Rhubarb 3 Pack Pro Flex Boxer Brief: Black/Recovery/Rhubarb 3 Pack
-9%
Pro Flex Boxer Brief
Black/Recovery/Rhubarb 3 Pack
Performance Polyester Mesh
All Purpose Sport
$84.00 CAD $76.00 CAD
Pro Flex Trunk: Black Pro Flex Trunk: Black
Pro Flex Trunk
Black
Performance Polyester Mesh
All Purpose Sport
$0.00 CAD $28.00 CAD