Angled holsters for easy access perfectly holds ultra-soft and squeezable 550mL UltraFlask??? bottles (included). One side trash pocket and one side zippered pocket for securing essentials. Soft and supple perimeter binding made with polyester to wick away moisture, and stay comfortable against bare skin. Minimalist streamlined design for a comfortable stable ride. Removable quick access front straps for a jacket, Z-poles, or other accessories. Adjustable sizing from 26???-42???.