The endura equipe aero cycling overshoe features a lycra construction for a slim aerodynamic fit with minimal wind resistance the overshoe features stretch gloss support fabric and a rear zipper to easily get it over your shoes these overshoes are windproof to keep the wind out and the warmth in so your feet dont get chilly these overshoes have stretch cordura soles for high durability and the cleat cutaways make them compatible with clip in shoes reflective trims give you a visible boost w