Biehler's SYN Men's Pro Long Sleeve Jersey – Muffin is built for speed, engineered for style. Designed for racing and high-intensity training, this jersey blends lightweight, high-stretch fabrics with a compressive Pro Fit to help you perform at your peak. With aero-optimized sleeves and seamless detailing, it’s made to move fast and look sharp doing it.

• Runs small – size up from your normal size
• Lightweight, 4-way stretch fabric with compressive Pro Fit
• Extra-long, single-panel aero-striped sleeves
• Seamless sleeve cuffs for comfort and clean finish
• Breathable and quick drying – 130g (size M)
• Antibacterial treatment for freshness
• UV 50+ protection (front and back)
• 3 rear pockets
• Oekotex Standard 100 & Bluesign® certified
• Made eco & fair in Portugal