Marathon-Ready. Featherlight and Friction-Free. Crafted for peak performance, the FlipBelt Marathon Tank weighs in under 33g—so light you’ll forget it’s there. Engineered for distance runners, it wicks sweat faster, dries quicker, and eliminates chafing for total focus from training to race day. With a slim, structured fit and thoughtful seam placement, it moves with you, not against you. Technical Features Ultra-Lightweight Design: Weighs under 33g for a barely-there feel during long runs. Advanced Moisture-Wicking: Micro-porous fibers and 3D mesh structure boost sweat evaporation and airflow. Seamless Bonding: Friction-free construction and soft neckline reduce irritation over long distances. Reflective Hem Detail: Adds visibility for night and early morning runs. Fit & Layering Slim, Structured Cut: Contoured square neckline and sculpted fit enhance athletic shape. Optimized Seam Placement: Forward shoulders and rear side seams reduce underarm chafing and support full arm motion. Ventilation Slits: Increase range of motion and airflow during high-output training. Construction Details Skin-Friendly Craftsmanship: Hand-cut edges and soft-knit structure reduce irritation on sensitive skin. Enhanced Elasticity: Makes it easier to put on and take off, while holding shape wear after wear. Durable Performance Fabric: Retains softness, stretch, and structure after repeated washing. Materials 100% Polyester