← Gear database

Decathlon MH100 Fleece vs Rab Alpha Flash Lightweight Fleece

Weight and specs compared for 2026 — and which one to choose.

Decathlon MH100 Fleece is the lighter option — 57 g lighter than the Rab Alpha Flash Lightweight Fleece (22% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Decathlon MH100 Fleece Rab Alpha Flash Lightweight Fleece
Weight 198 g · 0.198 kg · 0.44 lb 255 g · 0.255 kg · 0.56 lb
Brand Decathlon Rab
Category Clothing - Mid Layer Clothing - Mid Layer
Decathlon MH100 Fleece
198 g

Budget-friendly lightweight fleece at 7oz. Breathable and quick-drying performance.

Full details →
Rab Alpha Flash Lightweight Fleece
255 g

Ultralight fleece with Polartec Alpha Direct 120 insulation. Men's Large: 272g. Slim fit, brushed back, flatlock seams, YKK zips.

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Decathlon MH100 Fleece vs Rab Alpha Flash Lightweight Fleece: which should you buy?

If saving weight is your priority, the Decathlon MH100 Fleece wins — at 198 g it is 57 g (22%) lighter than the Rab Alpha Flash Lightweight Fleece (255 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest clothing - mid layer page, or browse the full gear weight database.

More clothing - mid layer comparisons

Decathlon MH100 Fleece vs LGT Balaclava Decathlon MH100 Fleece vs Senchi Designs Alpha 90 Hoodie Decathlon MH100 Fleece vs FarPointe Alpha Cruiser Decathlon MH100 Fleece vs Terra Ultralight Alpha Direct 90 Hoodie Decathlon MH100 Fleece vs Janji Auras Ultrafleece Hoodie Decathlon MH100 Fleece vs Montbell Plasma 1000