Jackal M Color:black/yellow The semi-open design also allows

The semi-open design also allows for excellent ventilation and with greater airflow

Embossed Castelli wordmark logos

Ortholite Approach 4 mm

Zeiss double lens

which is securely fastened to the carrier material

Jackal M Color:black/yellow The semi-open design also allowsA mountain running shoe ideal for off road running over ultra distances and workouts on medium distances thanks to the exceptional cushioning guaranteed by the innovative Infinitoo high energy return technology. Tech info Uppers: Sandwich mesh (toe and tongue) + thermo adhesive TPU reinforcements + side panels in mono burr Nylon + Lycra cuff Lining: Abrasion resistant micro fiber Footbed: Ortholite Ergonomic Midsole: EVA with polyurethane Infinitoo