Men's Project Rock Mesh Performance Boxerjock Brief 2-Pack - 5ft

In this review of the Men's Project Rock Performance Tech Mesh Boxerjock Brief, the bottom line is simple: these are meant for active men who want underwear that stays cool, supportive and low-profile during workouts or long days. The two-pack offers an immediate value, and the most compelling reason to buy is the allover mesh ventilation that noticeably improves airflow compared with standard cotton briefs. For men who prioritize breathability and a non-restrictive fit, this brief is a ready-to-wear, easy-care option.

Key Features

• Allover mesh fabric: Delivers superior ventilation so skin stays cooler and drier during intense activity or hot days.
• 4-way stretch: Moves with the body for unrestricted motion whether lifting, running or commuting.
• Performance waistband: Sits flat and holds the brief in place to reduce riding and bunching through the day.
• Sweat-wicking, quick-dry material: Pulls moisture away from the skin for faster drying and less clamminess after workouts.
• Seamless sides and back: Eliminates common irritation points for a smoother feel under shorts or pants.
• Recycled fabric construction: Made from 88% recycled polyester and 12% elastane for durable stretch with easier care.

Who It's For

These boxerjocks suit men who spend a lot of time moving: gym-goers, runners, or anyone who prefers a ventilated underwear option for warm climates. The 5' in-seam keeps coverage moderate, so they work well under athletic shorts and everyday pants without excess fabric.

Men seeking heavy insulation, thermal layers, or a structured compression brief should look elsewhere, as this style favors breathability and lightweight support over thick padding or maximum compression.

Pros & Cons

Pros

• Excellent breathability from the allover mesh for consistent airflow and comfort.
• Supportive fit that stays in place, with many customers noting it does not rise up.
• Durable feel and value in the 2-pack, plus easy machine wash care.
• Eco-minded fabric mix using recycled polyester for everyday performance and longevity.

Cons

• Sizing can be inconsistent for some users, so trying your usual fit or checking size guidance is advisable.
• Lightweight mesh may feel less warm in cold conditions compared with thicker briefs.

Specifications

Brand	Under Armour
Model	Project Rock Performance Tech Mesh Boxerjock
Pack Count	2 pairs
Inseam	5' in
Material	88% Recycled Polyester, 12% Elastane
Construction	Allover mesh, 4-way stretch, no side or back seams
Care	Machine washable, quick-dry

Our Verdict

These boxerjocks are a smart pick for men wanting breathable, supportive underwear for exercise and everyday wear; the mesh fabric and 4-way stretch deliver comfort and mobility at a reasonable value in a convenient 2-pack. If breathability and a no-ride fit matter most, this brief is worth the purchase.

Frequently Asked Questions

Are these briefs good for intense workouts?
Yes, the mesh fabric and sweat-wicking finish make them well suited to workouts where ventilation and quick drying are important.

How do they fit through the day?
Customers report the waistband and seam-free sides keep the briefs in place with sustained support and minimal riding.

What are they made from?
The briefs use a recycled circular knit of 88% recycled polyester and 12% elastane with 4-way stretch for durability and comfort.