Salomon S/PRO SUPRA BOA 105 W GWChallenging traditional boot constructions, Salomons Supra BOA 105 W ski boots have been designed to offer women a new standard of perfect fit. Our ExoWrap Construction combined with the BOA Fit System provides a micro adjustable, precision fit and a targeted wrap around the foot that can easily be adjusted throughout the day. SHELL Polyurethane: A material with consistent density that ensures perfect wrapping, reliable progressivity and good power