What Size Raincoat Should I Buy Apr 2026

: Their sizes are intentionally oversized to account for warm clothing underneath.

While many people suggest sizing up for layers, some outdoor enthusiasts on Reddit point out that sizing up too much can lead to excess fabric that gets in the way or traps too much heat. Only size up if you are consistently between sizes or plan to wear very heavy, bulky insulation like a puffer jacket. Do you have a in mind, or Size Guide - Rains

: If you plan to wear the jacket in cold weather, ensure there is enough space for a base and mid-layer (like a fleece or sweater) without it feeling tight.

: Brands like Jos. A. Bank use chest circumference (e.g., 40, 42) and length letters (S, R, L) for a more precise fit.