Rab Alpha Flash vs Rab Alpha Flash Lightweight Fleece
Weight and specs compared for 2026 — and which one to choose.
Lightweight fleece jacket using Polartec Alpha Direct fabric. Breathable and packable mid-layer for expeditions with minimalist weight philosophy.
Ultralight fleece with Polartec Alpha Direct 120 insulation. Men's Large: 272g. Slim fit, brushed back, flatlock seams, YKK zips.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Rab Alpha Flash vs Rab Alpha Flash Lightweight Fleece: which should you buy?
On weight these two are identical (255 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.
See where both rank against everything else in this category on the lightest clothing - mid layer page, or browse the full gear weight database.