US: 3XL to Europe Size 7.0
Cross-market men’s glove and mitten conversion mapping 3XL specifications into 7.0.

Analyzing Glove Size Equivalence Across Markets
US: 3XL: Features a palm circumference of 28.5 (11.2 ), finger length of 10.8 , hand width of 11.6 , and overall hand length of 23.8 .
Europe Size 7.0: Features a palm circumference of 17.5 (6.9 ), finger length of 7 , hand width of 7.5 , and overall hand length of 16.5 .