See in the below pictures the amazing features of this Running Waist bag
Specification:
Material:85% nylon,15% spandex
Fabric: 4-way stretch
Weight: 40g
Size: S/M, M/L. LXL
S: waistline:68 to 92cm
M: waistline:88 to 102cm
L: waistline:98 to 114cm