Helmet

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="391"
        y2="76"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#fd5900" />
        <stop offset="1" stop-color="#ffde00" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="256"
        x2="256"
        y1="451"
        y2="61"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#ffe59a" />
        <stop offset="1" stop-color="#ffffd5" />
    </linearGradient>
    <path
        fill="url(#a)"
        d="M361 105.995 346 151l-15-54.573C316.531 93.003 301.515 91 286 91V76h-60v15c-15.515 0-30.531 2.003-45 5.427L166 151l-15-45.005C80.543 135.387 30 204.89 30 286v105h452V286c0-81.11-50.543-150.613-121-180.005z"
    />
    <path
        fill="url(#b)"
        d="M226 271c8.291 0 15-6.709 15-15V91h30v165c0 8.291 6.709 15 15 15s15-6.709 15-15V76c0-8.291-6.709-15-15-15h-60c-8.291 0-15 6.709-15 15v180c0 8.291 6.709 15 15 15zm271 90H15c-8.291 0-15 6.709-15 15v30c0 8.291 6.709 15 15 15h54.038c21.401 19.131 50.614 30 79.384 30h215.156c28.77 0 56.982-10.869 78.384-30H497c8.291 0 15-6.709 15-15v-30c0-8.291-6.709-15-15-15zM166 211c8.291 0 15-6.709 15-15V96.427c-10.323 2.443-20.383 5.555-30 9.567V196c0 8.291 6.709 15 15 15zm180 0c8.291 0 15-6.709 15-15v-90.005c-9.617-4.012-19.677-7.125-30-9.567V196c0 8.291 6.709 15 15 15z"
    />
</svg>