UK sizing The popular Salomon Spikecross 6 GTX is a full-blooded Salomon trail runner. Its right at home on almost any terrain: trails as well as snowy and icy roads. Their extremely grippy sole ensures excellent traction on wet trails and icy roads. The shock absorption is made for a heel strike, which is, truthfully, a very common step type, making the Spikecross 6 suitable for most users out there. The ample heel to toe drop helps project your power forwards. - Relatively narrow at the front - Gore-Tex membrane for full water protection - Studded sole: 12 metal spikes per shoe - ClimaShield -membrane on top of the foot - Supportive heel cup - Quick-lacing system - Winter Contagrip sole - Ortholite footbed - Heel to toe drop: 10 mm - Midsole with pronation support - Reflectors - Salomon classifications (scale 1-5): - Stability: 2/5 - Lightness: 2/5 - Cushioning: 4/5 - Breathability: 1/5 - Protection: 5/5 *Note!* Studded shoes damage many flooring materials, and can be treacherous