Evolv's Astroman was developed by Peter Croft to be the ultimate high end, all day adventure trad shoe. A carefully chosen set of features allows the Astroman to perform at a high level, while remaining comfortable on long days. . Trax rubber sole for perfect balance of high friction and edging power performs consistently over a wide range of temperatures. Low profile forefoot for increased ability for jamming in thin cracks Mid top upper for ankle and medial and lateral malleolus protection Padded Achilles patch provides comfort and allows free articulation of the ankle for precise toe placement. VTR rand with a thicker front toe area. Durable split leather upper leather footbed. Microfiber forefoot lining cotton heel lining. MX P midsole: 1 mm half length 2 mm full length. Slightly asymmetric profile. All around use: good for most all angles of climbing more oriented towards vertical and less than vertical terrain. Great for smearing or slab climbs. Fairly flat bottom profile for all around performance or general use.