Lane Eight HIIT Trainers | Uncrate Supply。Lane-Eight HIIT Trainer Men\'s Size 8 Shoe Technology Upper: TENCEL upper made from eucalyptus and cotton. Engineered zones offer additional support and breathability to keep you comfortable. Internal reinforcements secure your foot in place during explosive movements. TPU sidewalls add stability and durability during your toughest workouts. Midsole: BLOOM Midsole made with a combination of algae and EVA provides responsive cushioning. Full-length ETPU sockliner offers eco-friendly energy return with a textured surface for additional grip. Outsole: Rubber outsole features a multi-directional tread pattern for excellent grip in all directions.