I am reposhing it because I found them too tight. These are 45 which in my opinion is around 11. Haflinger Grizzly Black Slip-On with Patterned Trim Men’s size 45 (10.5-11) Premium Quality Material: Crafted from 100% pure wool felt for optimal breathability and durability. Anatomical Design: Features an anatomically contoured footbed for superior arch support and comfort. Moisture-Wicking Insulation: Felt lined insole wicks away moisture, promoting a healthy foot environment. Safe and Supportive Soles: Slip-resistant rubber sole ensures stability and confidence with every step. Versatile Wear: Ideal for both indoor and outdoor use, keeping your feet cozy in any setting.