On Women Cloud X 4 - Castor / Flame Size:US: 8 X-LOCK technology provides advanced arch

X-LOCK technology provides advanced arch and plantar fascia support and locks the foot in place within the sock to reduce blistering

The KT Tape elastic core delivers strong support for muscles

Vamp: 100% Thermoplastic Polyurethane Vamp Lining: 100% Recycled Polyester Collar Lining: 100% Recycled Polyester

Whether you're conquering a challenging trail

Need support that will endure your toughest workout

On Women Cloud X 4 - Castor / Flame Size:US: 8 X-LOCK technology provides advanced archHIIT, mountain climbers, squat jumps? No problem. Here's an ultra flexible training shoe built for feel good workouts. Key features: X shaped Speedboard for forefoot flex and versatility Helion superfoam midsole for comfort and soft landings Midfoot cage provides extra support and stability Excellent heel hold during multilateral movements Breathable recycled mesh upper Plush materials in the heel and tongue for enhanced comfort Rubber outsole for