The phrase "thick straps" refers to straps that are wide or bulky, usually used to describe the straps on objects like bags or clothing. Full definition
I ended up wearing the option with thicker straps, and that dress is now the perfect example of a garment that encompasses ALL of my criteria for a flattering fit. (cameronproffitt.com)
In addition to lace - up sandals, the ankle strap is hot for summer 2014 and it is being shown with one thick strap in front of the toes. (bayareafashionista.com)
Plus, the strong and thick straps ensure everything stays in place. (dailyburn.com)