the FS4™+ creates a technical performance sock that strengthens the foot and leg structure and prevents overuse injuries

Internal heel counter provides a supportive

The upper is made from oiled nubuck leather

Padded Collar

Helping to relieve flat feet

Men's PROPET ULTRA STRAP - MAA203M-BLB - BLACK/BLUE womens slip on boot the FS4™+ creates a technicalThe Propet Ultra redefines walking comfort with its innovative design. Experience the benefit of Zero drop technology, which ensures no height difference between the heel and ball of the foot, allowing your feet to move naturally in their most balanced and flat position. Enjoy comfort like never before! Orthotic Friendly Wide Widths Adjustable Straps