Men's activewear quarter zip shirts are made of soft, 4-way stretch, breathable and quick-drying polyester and spandex blend fabric, suitable for various athletic activities. These men's active sports shirts provide protection from harmful UVA/UVB rays. The certified UPF 50+ rating offers excellent sun protection,...

The MIER Women's Running Athletic Shorts are crafted from a soft, quick-drying, moisture-wicking fabric with 4-way stretch capabilities. The wide elastic waistband, coupled with an adjustable external drawstring, ensures that the shorts remain comfortably in place throughout the day. These high-waisted athletic shorts for...

Stay fast, light, and prepared with these 5" men’s running shorts—featuring quick-dry stretch fabric, three secure zip pockets, and reflective safety details for day or night workouts. Key Features Performance Fabric – 95% recycled polyester + 5% spandex for sweat-wicking, 4-way stretch, and quick-dry...

The MIER Men's 5" Athletic Running Shorts are made from a soft, lightweight blend of 95% recycled polyester and spandex, offering 4-way stretch for unrestricted movement. These breathable, quick-drying shorts feature UPF 50+ sun protection, making them ideal for outdoor activities. Designed with a...

MIER Men’s Workout T-Shirt offers UPF 50+ sun protection, blocking 98% of harmful UV rays while providing lightweight, ultra-soft comfort. The 4-way stretch fabric moves naturally with your body, allowing for unrestricted performance during any activity. Designed with dry fit technology, this shirt wicks...

Light, Fast, and Ready for Anything Engineered for movement and comfort, these women's 3" running shorts combine sustainable performance fabric with smart design details to keep you cool, supported, and ready for every workout. High-Performance Fabric – Lightweight, stretchy, and breathable 95% recycled polyester...

Lightweight Quick Dry Running Hoodie with Sun Protection, Thumbholes & Pocket Stay protected, comfortable, and ready for every mile with the MIER Men's UPF 50+ Performance Long Sleeve Hoodie. Designed for runners, hikers, anglers, and outdoor enthusiasts, this lightweight running hoodie combines advanced sun...

Elevate your activewear with MIER Women's 4-Inch Running Shorts! Crafted from a premium nylon-spandex blend, these lightweight shorts deliver quick-dry performance, four-way stretch, and a buttery-soft feel for unrestricted movement. The adjustable elastic waistband with a drawstring ensures a secure, customized fit, while two...

MIER Women's Athletic T-Shirts are made from a quick drying and 4-way stretch fabric with excellent moisture wicking and breathability properties. The material is lightweight and not see-through, ensuring you a comfortable exercise experience. Ergonomically designed seams minimize chafing and irritation, allowing for unrestricted...

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...

Stay cool, confident, and covered in MIER Women's 4-Inch Running Shorts — crafted from 95% recycled polyester and 5% spandex for lightweight stretch, breathable comfort, and quick-drying performance. Built with a supportive mesh liner, practical pockets, and UPF 50+ sun protection, these shorts are...

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...

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...

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 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...

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...

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....

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...

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...

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?...