UltrAspire Fitted Race Belt 2.0 (Black, Small (Waist Size: 28"-30"))The Fitted Race Belt 2.0 is a versatile waist pack that provides functional carrying capacity while remaining subtle on the body. This belt uses a fabric that is 80% Nylon which adds extra durability, and 20% Spandex for stretch and a strong rebound to better hold contents in place..