Professional-grade Tri racing shoe designed to shorten transitions and optimize power transfer T1-Quick strap and extra-wide upper opening simplifies and quickens transitions Lightweight, rigid carbon fibre composite sole efficiently transfers power Water-resistant microfiber synthetic leather with strategic venting Breathable 3D mesh breathes great and dries fast External heel cup stabilizes heel Large heel loop is easier to grab, speeding up transitions Weight: 230g I found these really comfortable and true to size.
