The EQvvs Stowe half chap has an elastic panel at the back for fit. They are made from an imitation leather.

Childs

Size       Fit Length (inches)           Fit Width (inches)

CXS      11”                                         8”/10”

CS         12”                                         9”/11”

CM       12”                                       10”/12”

CL         13”                                       11”/13”

CXL      14”                                       11”/13”

Adults 

Size       Fit Length (inches)          Fit Width (inches)

XXS      14”                                       10”/12”

XS`       15”                                       10”/12”

S           15”                                       11”/13”

M          16”                                       12”/14”

L           16”                                       13”/15”

XL         17”                                       13”/15”