Description of Ahnu Tilden Sandals - Women's The name Ahnu is derived from Celtic mythology, from the goddess of balance and well-being. The deity could accurately be described as an ancient version of our own “Mother Earth.” Ahnu's product goal is to achieve uncompromising performance by blending a modern aesthetic with the style, structure, and substance of the outdoor lifestyle. Ahnu emphasizes intuitive easy on/off technology and feature QuiteLight™ construction, a system that enables exceptional strength-to-weight ratio and superior comfort. Features: 2.5mm self-cleaning lugs provide balanced surface contact to tread depth ratio Cross-directional lug patterns offer traction in forefoot and braking in rearfoot QuiteLight™ non-marking rubber outsole for excellent traction Lightweight compression-molded EVA midsole for excellent shock absorption and comfort QuiteLight™ TPU SHANK Custom molded shank provides tortional rigidity to avoid midfoot twisting Fore and aft torsion bars support focused flexpoint under ball of the foot Shank is recessed to allow outsole surface contact for increased traction and grip QuiteLight™ Webbing lace system - significantly lighter than other sport sandal webbings yet still has a tensile burst strength in excess of 100kgs, more than twice a conventional lace Ahnumatic Positive-lock cam buckle - Unique single-handed adjustability, light weight nylon frame piece and rubberized cam interface joined by metal hinge pin with “click lock” confirmation of static closure, 50kg minimum pull strength test