The "sir-esser" fits well.
The "CWU 45-P," also developed by the U.S. military, is a flight jacket for slightly milder climates than the "N-2B" for extreme cold. The reason it resembles the "MA-1" so closely is that it was developed as the successor to the nylon "MA-1," incorporating flame retardant properties. Unlike the "MA-1," this jacket has a round collar. Although this model from Avilex is not flame-retardant, it is warm because it contains "Thermolite® insulation," as usual.
The CWU 45-P is an all-rounder that can go straight from the conference room to the runway.
Incidentally, the "CWU 45-P" is a hidden popular model that is coveted by many well-known designers. The best clothes and people are not flashy, but have substance.
「雪かきは寒いから苦手だけど、このアウターがあればへっちゃら。色はごちゃごちゃでも、この素敵なカーキがあればしっくりくるんだ。これはパパの受け売り」
I feel like I make more progress shoveling snow with a hair band than with a knit cap. Come to think of it, you got into it with a hachimaki in "The Best Kid."