--- product_id: 508459873 title: "Under Armour Men's Mk-1 Left Chest Short Sleeve Gym Shirt Breathable Men's T Shirt, Running Apparel with HeatGear Technology" brand: "under armour" price: "FREE" currency: EUR in_stock: false reviews_count: 1 url: https://www.desertcart.hr/products/508459873-under-armour-mens-mk-1-left-chest-short-sleeve-gym store_origin: HR region: Croatia --- # Fast-drying Breathable fabric 4-way stretch Under Armour Men's Mk-1 Left Chest Short Sleeve Gym Shirt Breathable Men's T Shirt, Running Apparel with HeatGear Technology **Brand:** under armour **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > Elevate Your Workout Game! 💪 ## Quick Answers - **What is this?** Under Armour Men's Mk-1 Left Chest Short Sleeve Gym Shirt Breathable Men's T Shirt, Running Apparel with HeatGear Technology by under armour - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/508459873-under-armour-mens-mk-1-left-chest-short-sleeve-gym) ## Best For - under armour enthusiasts ## Why This Product - Trusted under armour brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flexible Movement:** Enjoy unrestricted motion with 4-way stretch construction that moves with you. - • **Unmatched Comfort:** Experience the soft, smooth feel of HeatGear fabric that keeps you comfortable all day. - • **Stylish Performance:** Look sharp in a regular fit with a modern club collar, perfect for the gym or casual outings. - • **Quick-Dry Technology:** Wick away sweat and dry off fast, so you can focus on your workout, not your shirt. - • **Strategic Ventilation:** Stay cool with mesh back and underarm panels designed for optimal airflow. ## Overview The Under Armour Men's Mk-1 Left Chest Short Sleeve Gym Shirt combines advanced HeatGear technology with a breathable design, ensuring maximum comfort and performance during your workouts. Made from a lightweight blend of 92% polyester and 8% elastane, this shirt features strategic ventilation and quick-dry capabilities, making it the perfect choice for active individuals who value both style and functionality. ## Description Under Armour mk-1 men's t-shirt - Stay up to date on the most innovative gym gear with this essential gym tee Under Armour mk-1 is a complete system Of light, elegant, breathable equipment for warm-up and Core training, which can be optimally combined for every workout. Whether speed, agility, strength or cardio - in the gym or On the lawn. Crafted using the best in heat Gear technology, This Men's active-wear shirt is An essential component Of any gym bag. The shirt is short-sleeved and breathable, helping to Prevent excess perspiring during times of activity. The shirt is sleek And understated, with mesh inserts and a Minimalist Black shade. It incorporates heat Gear to help regulate temperature And prevent overheating. The shirt is ideal for use during sports, workouts, running or Other physical exercise. It is made from polyester and spandex. Under Armour Makes athletes better. We started with a t-shirt that gave athletes an undeniable Advantage And ultimately resulted in a complete renewal of sportswear. Today, innovation is our lifeblood and the key to achieving our Brand mission. Product details: sleek workout T shirt for men breathable material Heat Gear technology close fit for movement Material: 90% polyester and 10% spandex fit: tight. ## Features - HeatGear fabric is incredibly soft and smooth for extreme comfort with very little weight - Mesh back and underarm panels deliver strategic ventilation - 92% Polyester, 8% Elastane - Fastening: Pull On - Collar Style: Club Collar - MK-1 Left Chest Short Sleeve Gym Shirt - Regular Fit - short sleeve - 1323415-497 - 4-way stretch construction moves better in every direction - Material wicks sweat and dries really fast ## Images ![Under Armour Men's Mk-1 Left Chest Short Sleeve Gym Shirt Breathable Men's T Shirt, Running Apparel with HeatGear Technology - Image 1](https://m.media-amazon.com/images/I/81nTlbE8DVL.jpg) ![Under Armour Men's Mk-1 Left Chest Short Sleeve Gym Shirt Breathable Men's T Shirt, Running Apparel with HeatGear Technology - Image 2](https://m.media-amazon.com/images/I/71u9-TjYWBL.jpg) ![Under Armour Men's Mk-1 Left Chest Short Sleeve Gym Shirt Breathable Men's T Shirt, Running Apparel with HeatGear Technology - Image 3](https://m.media-amazon.com/images/I/71vjAB5LacL.jpg) ![Under Armour Men's Mk-1 Left Chest Short Sleeve Gym Shirt Breathable Men's T Shirt, Running Apparel with HeatGear Technology - Image 4](https://m.media-amazon.com/images/I/71g9mN1GGgL.jpg) ## Customer Reviews ### ⭐ Awful sizing! *by A***L on Reviewed in the United Kingdom on 15 September 2020* As said in a another review, there is zero standardisation in UA sizing! Sometimes too big, sometimes too small, one in 5 purchases are great! Irritating!! It's a nice top, but too big! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/508459873-under-armour-mens-mk-1-left-chest-short-sleeve-gym](https://www.desertcart.hr/products/508459873-under-armour-mens-mk-1-left-chest-short-sleeve-gym) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-24*