Train, run, or relax in comfort with these men's athletic sweatpants. Crafted with high-stretch performance fabric, secure zipper pockets, and a straight-leg fit, they deliver the perfect balance of mobility, function, and style for workouts or everyday wear. Key Features: High-Stretch Fabric – 82%...

Stay warm and move freely in the MIER Men's Fleece Lined Athletic Pants. Designed for cold-weather workouts and everyday wear, these mid-weight pants combine soft fleece warmth with flexible stretch and secure zipper pockets to keep your essentials close wherever you go. Key Features...

The MIER Women's Slim Fit Full Zip Workout Jacket blends lightweight stretch, functional storage, and a flattering athletic fit. Designed for running, training, or daily wear, this jacket keeps you comfortable, confident, and ready for movement—while secure zipper pockets keep your essentials close at...

Designed for race day and daily training, the MIER Running Belt delivers secure storage, zero bounce comfort, and smart race ready details in a slim, barely there profile. Carry your essentials confidently whether you’re running, racing, or on the move. Race Bib Clips &...

Built for Performance. Engineered for Comfort.Stop settling for gym shorts that ride up or let your phone bounce. The MIER 7" 2-in-1 Shorts are designed for the dedicated athlete, featuring a lightweight, eco-conscious outer shell and a built-in compression liner that provides a "second-skin"...

Stay Cool. Stay Dry. Stay Focused. Engineered for high-intensity training, the MIER Women’s COOLMAX Tee is your new go-to for peak performance. Featuring advanced moisture-management technology, this shirt is designed to move with you while pulling heat and sweat away from your body, ensuring...

Built for race-day performance, the MIER Men’s Running Race Tank delivers 2.5 oz. (70 g) ultralight comfort and speed. Crafted with breathable AirMesh, 4-way stretch, and bonded seams, it’s engineered for training miles and finish-line moments.   Features: 2.5 oz. (70 g) Ultralight Build...

Light as air and built for speed, the MIER women's running singlet is designed for peak performance on race day or everyday training. Crafted with ultra-breathable, 4-way stretch fabric and finished with bonded seams, it delivers ultralight comfort, ventilation, quick-dry comfort, and freedom of...

Engineered for race day and long-distance performance, the Limitless 2.5" Shorts are built to be your best marathon shorts—ultra-light, breathable, and distraction-free. From track sessions to ultramarathons, they deliver the airflow, fit, and storage serious runners demand. Why These Are the Best Marathon Shorts...

Built for speed and distance, the Limitless 2.5" Shorts are lightweight running shorts designed for race day and high-performance training. From track sessions to marathons and ultramarathons, they deliver breathable comfort, a secure fit, and zero-distraction movement. Why These Are the Best Marathon Shorts?...

The same Limitless performance, with added coverage. These 3.5" running shorts are built from ultra-light, quick-dry fabric with a breathable liner and versatile storage—ideal for marathon training, race day, and long-distance runs. Why These Are the Best Marathon Shorts (3.5" Option) For runners who...

The Perfect Middle Ground Looking for a women's workout tank that's not cropped but not oversized? This skimmer-length tank is designed to hit right at the high hip, creating the perfect balance between coverage and style. It offers the modern look of a cropped...

Train harder. Move freer. Stay cool. These lightweight 5” performance shorts are built for high-output training with fast-drying stretch fabric, breathable airflow zones, and secure pockets that keep your essentials accessible yet sure. Designed to disappear while you move — and show up when...

Storage that stays put. Fabric that stays dry. Beats the Heat: Made with 95% recycled polyester, these shorts are built for high-humidity runs. The fabric pulls sweat away and dries lightning-fast so you don't feel weighed down mid-workout. Actual Secure Storage: Forget flimsy pockets....

Designed for speed, comfort, and confidence, the MIER Women’s 3” 2-in-1 Running Shorts deliver lightweight coverage with built-in support. A breathable mesh liner, secure zipper pockets, and a stay-put mid-waist fit make these shorts a go-to for running, gym training, and everyday workouts—especially when...

MIER Men’s COOLMAX® Performance T-Shirt The Ultimate Moisture-Wicking Minimalist Running Shirt Elite Cooling: Powered by COOLMAX® technology, this 4-channel fiber system pulls sweat away instantly, keeping you dry during high-intensity marathons or humid trail runs. Total Mobility: Ultra-lightweight 4-way stretch fabric and a split...

The Ultimate "Second-Skin" Muscle Tank Stop choosing between a shirt that performs and a shirt you actually want to wear all day. We designed the MIER Performance Tank with a premium, peached finish that mimics the weightless, buttery-soft feel of high-end luxury activewear. Whether...

The "Everything" Short: Buttery Soft & Performance Driven Meet the MIER X-Sofort® Sweat Shorts—engineered for the woman who needs her gear to keep up without weighing her down. Crafted with our signature X-Sofort® fabric, these shorts offer a sueded, "cloud-knit" feel that mimics luxury...

Stay light, move freely, and keep hydration within easy reach. The MIER Running Hydration Vest is built for runners, cyclists, hikers, and endurance athletes who need reliable storage without extra bulk. Made from lightweight breathable neoprene, this vest delivers a secure bounce-free fit while...

The MIER PaceLite Women’s 2-in-1 Running Shorts are designed for runners and active women looking for lightweight, breathable, and secure performance shorts for training and everyday movement. Featuring a mid-waist fit with a wide supportive waistband, these athletic shorts deliver a smooth, stay-in-place feel...