Bold, Beautiful & Built to Move – M.U.S.T. Fit® Rash Guard Gym Shirts

Written By Anthony McReynolds

Step into performance and style with the M.U.S.T. Fit® Rash Guard Gym Shirts – where fashion meets function in the boldest way possible. Available now in a vibrant variety of colours including Dolly (Yellow), Mona Lisa, Aero Blue, and Pattens Blue, these rash guards are designed for those who love to train hard, ride far, and surf free.

Whether you're hitting the gym, heading to the beach, or enjoying an outdoor bike ride, this multi-purpose activewear piece is your go-to for comfort, support, and standout style.

M.U.S.T. Fit® Men’s Rash Guard Dolly

💪 Designed to Perform

Crafted with a premium blend of recycled polyester and elastane, these shirts offer a fitted cut that moves with your body. The moisture-wicking fabric keeps sweat at bay, while flatlock seams reduce chafing and add an edgy, sporty finish.

🌿 Sustainable Style That Feels as Good as It Looks

M.U.S.T. Fit® Men’s Rash Guard Pattens Blue

We’re proud to use OEKO-TEX 100 certified and Global Recycled Standard (GRS) materials, giving you a guilt-free wear that’s kinder to the planet. Each shirt is made on demand to reduce waste and overproduction—thank you for making a conscious choice.

☀️ Key Features:

  • Made from 88% recycled polyester / 12% elastane (EU)

  • Or 81% recycled polyester / 19% spandex (Lycra) (US/MX)

  • Moisture-wicking, breathable, and soft to the touch

  • UPF 50+ sun protection – perfect for surfing or outdoor training

  • Lightweight yet durable (Fabric weight: EU – 230 g/m² | US – 255 g/m²)

  • Fitted silhouette for sleek, streamlined movement

  • Stylish flatlock stitching

Whether you're sweating it out in the gym or chasing waves on the coast, our rash guard gym shirts deliver the ultimate blend of performance, comfort, and fashion-forward design.

🌐 Shop now at:

👉 https://www.mustfit.co.uk/shop/sportswear

Unleash your inner athlete. Look good. Feel great. M.U.S.T. Fit®.

Anthony McReynolds

McReynolds Universal Sports Tech (M.U.S.T. Fit) is a sportswear clothing company founded in 2023 by Anthony McReynolds. The company's mission is to provide high-quality athletic sports apparel that combines advanced technology with stylish design, enabling athletes to perform at their best. M.U.S.T. Fit offers a wide range of sportswear including athletic tops, shorts, leggings, and accessories for both men and women. M.U.S.T. Fit clothing is made from high-performance fabrics that are breathable, moisture-wicking, and designed to move with the body. M.U.S.T. Fit's commitment to innovation and performance has made them a popular choice among athletes of all levels.

https://www.mustfit.co.uk
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