I ordered 12 at first (because that's my size for every other shoe I wear) and found it too tight and a bit uncomfortably small. I have against 13 exchanged (the exchange was very easy by the way) and fits perfectly!
π Ultimate Comfort and Style: CERYTHRINA Breathable Outdoor Walking Slippers for Men's Shoes and Mules & Clogs
10 Review
SAGUARO Outdoor Walking Sandals Slipper
10 Review
π Comfortable and Stylish Crocs Unisex Ralen Lined Black Men's Shoes for Mules & Clogs
9 Review
πΏ Garden Lightweight Shoes: Ceville Unisex Womens/Mens Footwear for Versatile Comfort
11 Review