La Sportiva Bushido ll GTX trail running shoes Gore-Tex ® Invisible Fit™ membrane protects from rain and snow while maintaining the same fit and feel as the non-Gore-Tex® Bushido II • Slip-on construction wraps your foot like a sock without compressing or exerting pressure points • Outsole lug design wraps the midsole to provide added traction and enhanced stability on off-camber terrain • Frixion XT® V-Groove2™ dual-compound rubber guarantees superb grip on any type of terrain.