United Kingdom Size 26 to US: XL

United Kingdom Size 26: Corresponds to a waist/hip size of 115 $\text{cm}$ (46 $\text{in}$), waist range of 107–117 $\text{cm}$ (42.1–46.1 $\text{in}$), total strap length of 125 $\text{cm}$ (49.2 $\text{in}$), and fit classification Extended Plus.

US: XL: Corresponds to a waist/hip size of 90 $\text{cm}$ (36 $\text{in}$), waist range of 81–91 $\text{cm}$ (31.9–35.8 $\text{in}$), total strap length of 100 $\text{cm}$ (39.4 $\text{in}$), and fit classification Relaxed Waist / Hip.