The UK market size value per capita for t-shirts made of materials other than cotton is projected to steadily increase from 2024 to 2028. Starting at $54.74 in 2024, it is expected to rise to $55.89 by 2028. This reflects a compound annual growth rate (CAGR) over the five-year period. In 2023, the actual value was slightly lower than the forecast starting in 2024, although specific data for 2023 isn't provided here. A consistent year-on-year increase can be observed. Future growth factors include increasing consumer preference for sustainable materials and innovative synthetic fabrics.