Under Armour Men's Mk-1 Shorts - Lightweight, Fast-Drying Comfort

In this review of the Under Armour Men's Mk-1 Shorts the bottom line is simple: these are reliable everyday training shorts for men who want lightweight, stretchy comfort and fast moisture management. The reviewer found the knit fabric noticeably light and easy to move in, with a 4-way stretch that lets workouts feel less restricted. Built-in mesh side panels and a quick-dry finish make them a practical pick for practice, warm ups, or casual wear after a game, and the simple design keeps them versatile for multiple activities.

Key Features

• Lightweight knit fabric: Feels barely there on longer sessions so you stay comfortable during extended workouts or warm ups.
• 4-way stretch: Moves better in every direction, reducing pull and restriction when you change direction or sprint.
• Moisture-wicking material: Wicks sweat and dries quickly to help you feel less damp between sets or drills.
• Mesh side panels: Add targeted breathability where you need airflow most during hot or intense activity.
• Encased elastic waistband with drawcord: Provides a secure, adjustable fit without digging into your waist during movement.
• Open hand pockets: Offer simple storage for small essentials when you are on the go.

Who It's For

These shorts suit active men who want a light, comfortable option for gym sessions, team practice, warm ups, or post-workout wear. The 7' inseam and four-way stretch make them especially good for runners and athletes who need freedom of movement without a restrictive liner.

Men seeking compression or a built-in brief should look elsewhere since these have no liner. If you need heavy-duty trail shorts or insulated layers for cold weather, these are designed for warm or indoor activity rather than harsh outdoor conditions.

Pros & Cons

Pros

• Very lightweight knit fabric feels comfortable for extended use.
• Effective moisture-wicking keeps you drier during sweaty sessions.
• Four-way stretch and mesh panels improve mobility and breathability.
• Practical waistband and pockets for a secure fit and simple storage.

Cons

• No liner may disappoint users who prefer built-in support or compression.
• Casual styling may not suit formal athleisure looks for some customers.

Specifications

Our Verdict

The Under Armour Mk-1 Shorts are a solid choice for men who want lightweight, breathable training shorts with dependable moisture management and unrestricted movement. They represent good value for athletes and gym-goers who do not require a liner and prefer a simple, functional short for practice, warm ups, and casual wear.

Frequently Asked Questions

Do these shorts have a liner?
No, the Mk-1 Shorts do not include a liner; they are designed as unlined knit shorts.

What is the inseam length?
The shorts have a 7' in inseam, offering medium coverage suited to most training uses.

Are they good for hot weather?
Yes, the lightweight fabric, quick-dry finish, and mesh side panels make them well suited for warm conditions and high-intensity sessions.