necessity more sole? NRS took all the features that make the Desperado Sock the most nice sock available and added a 3mm rubber sole for improved traction. The Desparado Shoe is still ultra-low-profile, and ultra-nice, but offers even better Strength and Safe guardion for extended portages and sidehikes. Whole sizes only. Girl order one size smaller. 1/2 sizes order one size larger.These shoes are running snug - If you are in between sizes or have wide feet you may want to consider the next size larger.