4 way stretch mesh panels at the rear help in giving a great fit and allowing air to escape

Shoulder gasket conforms to body and increases aerodynamics

The Vented Uniko features a large vent to direct airflow past the levers

there is the possibility to include internal bags (X0IB36)

USWE - Elite Bladders Size:1.5L 4 way stretch mesh panelsULTRA DURABLE HYDRATION BLADDER WITH PLUG & PLAY CONNECTION AND BLASTER BITE VALVE. The Elite is a revolutionary reversible bladder. The design of the Elite allows users to easily maintain cleanliness. The patented wide slide top opening allows for fast filling and secure seal. To clean, simply slide open, reach in, reverse, and rinse. This product is made by Hydrapak LLC for USWE Sports AB. Material: TPU (thermoplastic polyurethane) Including: 45