The Alpha Eclipse and Outlaw Evolution 316L are both double-edge safety razors, but they are different designs as well as different materials. Comparing them is more useful when you look at the complete configuration instead of treating aluminium and stainless steel as shorthand for a shaving result.
What the product pages specify
The Eclipse is CNC-machined from 6061 aluminium and anodised. Alpha lists its weight at approximately 50g and identifies it as a closed-comb design. The standard plate has a published 0.80mm gap; the Plus plate has a 0.95mm gap.
The Outlaw Evolution 316L is made from solid 316L stainless steel and lists a 0.70mm blade gap. Its product page offers several handles, including Braveheart Sure Grip, Viper 95 and Bravo options. A single complete-razor weight is not stated there for every handle configuration.
For that reason, do not turn a material-density comparison into a claim about the exact weight difference between these two products. If you want to compare grams, first identify the Outlaw handle and obtain the total weight of that assembled configuration.
Plate choices and handle choices solve different questions
Eclipse's separate baseplate listing includes the 0.95mm Plus and 1.10mm NFB options. They are model-specific parts. Do not assume they fit Outlaw Evolution or that a higher gap is a necessary upgrade. Compare intended options within the Eclipse family and allow time to learn one setting.
Outlaw's handle choices give you another way to consider grip, length and balance. Select the handle you want to hold, rather than assuming that every version of a stainless steel razor has the same feel in the hand. The head specification and handle specification answer different questions.
A larger gap is not a cross-model ranking
Eclipse's standard 0.80mm figure is greater than Outlaw Evolution's 0.70mm figure. This does not establish that Eclipse is automatically more aggressive. Exposure, cap and guard shape, blade support, blade selection and technique all contribute to the experience.
If you move between these models, keep the same familiar blade type and preparation at first. Use short strokes and light pressure while learning the new head. A lighter razor does not need to be pushed into the skin, and a heavier one still needs active control.
Finishes and everyday ownership
Both razors benefit from rinsing away soap and drying between uses. Treat the Eclipse's anodised surface as a finish to preserve: begin with gentle cleaning and avoid abrasive polishing. Check care advice for the exact finish before using any stronger cleaner on either razor.
Confirm what comes with the selected product. The Eclipse stand is listed separately, so include it only if you want that storage arrangement. A matching stand is a convenience; it does not change the shaving geometry.
Choose Eclipse if its documented approximately 50g weight and model-specific plate system match what you are seeking. Choose an Outlaw Evolution 316L configuration if you prefer that stainless steel design and its handle options. Let those concrete differences lead the decision, with comfort assessed through your own careful use.