Waistcoat should be of the same cloth throughout, including the back—unlined throughout—made rather longer than the ordinary waistcoat, especially at back—no back strap—four pockets outside with flap and button—all unlined—one inside pocket with flap and button for letter-case. Collar to button close up.
Knickerbockers of the same cloth, made very long in the seat so that they do not catch at the knee when mounting steep slopes—waistband to be unlined—two outside hip-pockets with flap and buttons besides the ordinary pockets—to be made wide at the knees, but the width to be on the outside of the knee, as if on the inside the crampons are apt to catch. The riding-breeches pattern is no good, as the knees get wet much quicker and remain wet longer.
I myself have my knickerbockers made wide enough to turn right up over the knees, being kept there by safety pins; one walks thus bare-kneed with great ease and comfort.
The seat and knees may be made double by means of patches. Pin half a dozen stout safety pins in the waistband.
Hat.
The best hat is a grey or buff stout felt (unlined) ‘smasher’ hat—medium width brim and with a felt Jäger lining-band instead of the usual leather one. If too thin, the brim flaps about in the wind and needs pinning back with a safety pin. Fit a ‘sweat-band’ of oiled silk under the lining band, to prevent the hat getting stained with sweat. The cow-boy pattern with stiff brims does not do, as it is apt to get knocked off by contact with rocks, and one cannot sleep in it. Carry some sort of light cap.
Shirt, etc.
The ‘K’ or ‘KK’ Jaeger shirts answer well. Their short ‘G’ pants also answer well. No undervest should be worn.
Remember, if you do not want to feel cold, avoid getting hot.
The proper place for the coat, except in very cold weather or on difficult work, is over the shoulders or in the sack, the sleeves being tucked through the shoulder straps. Even when starting very early do not pile on clothes.