The Spyderco Sage 5 Lightweight is a premium folding knife featuring a 3" full-flat-ground CPM S30V stainless steel blade black FRN scales with a bi-directional texture for a secure grip and nested skeletonized liners. Weighing 2.9 oz it is 13% lighter than the standard Sage 5 and includes a deep-pocket wire clip smooth bushing pivot and 5% of sales support the National Alzheimer's Association Denver Chapter.