What does 'One Size' mean? 27 August 2024 02:48 Updated If a garment is listed as 'One Size' sizing, it is designed to fit our full size range comfortably. Related articles What does HW and HWMF stand for? Do you offer alterations? How do I measure my bust/waist/hip? XXS–XXL and Numerical Sizing guide Some products are only available in size S and L - which size should I get?