this sole combines 30% natural rubber with 70% synthetic rubber to reduce environmental impact

Lightweight for travel : Weighing only 5

Light and Practical : Weighs 281g (standard) and 290g (wide)

Weight : 7

Insert core : High-performance foam with Outlast technology

Groundies Kos Mens – Black Size:42 this sole combines 30% naturalDescription A barefoot sandal with a wide toe box and zero heel, suitable for everyday use. Smooth leather upper and flexible Thermo Rubber sole for natural walking. Unisex design: Suitable for men and women. Wide toe box: Provides natural toe spreading. Slingback strap: Provides stable support. Flexible sole: non slip and thin for ground contact. High quality leather: Durable and elegant. Step into summer with freedom. Materials Upper: Smooth leather