If you took a 
knife and sliced 
it through— 
here’s what you’d find: 
Not just a shell of rubber and stiffened 
fabric—but the real explanation of the 
rugged strength that gives to “U. S. ” 
Boots extra months of wear. 
First a series of strong reinforcements, 
from seven to eleven layers of rubber and 
sturdy fabric at every point of strain and 
wear—across the instep, above the heel, 
about the ankle, etc.— 
A flange shaped sole of one single, solid 
piece of rubber, extending all the way from 
toe to back of the heel— 
Tough, flexible rubber everywhere backed by tin- 
best grade of heavy, close-woven fabric— 
A special lining that adds stiffness to the upper and 
prevents wearing out from the inside. 
* 
t 
The diagrams on the left show you some of these 
details. Every one means longer wear and greater 
Extra heavy flange sole 
thk soli< —A thu k, . '. ngle layer of 
the finest, toughest nigh-grade rub¬ 
ber. Its flange s nape means extra 
protection and it/tar. A rugged 
outside foxing unites the sole and 
the upper into one solid piece. 
hack of thb heel —Eleven lay- 
•rs of heavy duck and highest grade 
rubber make this one of the strong¬ 
est points of the whole boot. 
• hb instep —A loot has no lacing in 
4 'font, like a shoe, to give ar you walk. 
Every mile you go, the rubber bends 
and buckles 900 times. IVe’ve put a 
'tries of graduated reinforcing layers 
.nto the instep, combining unusual 
flexibility with surprising strength. 
THB ankle— Here's where so many 
boots sag and crack. The U U. S .” Boot 
has an extra "collar ” that runs all the 
way round the leg, and on top of that 
is vulcanized a heavy side-stay. 
boot comfort. 
We’ve been making rubber footwear for 75 years. 
We don’t just buy rubber—we produce on our own 
plantations the finest grade that can be grown. Our 
factories are manned by the most experienced boot¬ 
makers in the country—craftsmen who know the 
value of painstaking care. And we’re proud of the 
results—and of the satisfaction “I . S.” Boots are giv¬ 
ing to farmers everywhere. 
Other Footwear—all built for 
long wear 
You’ll find every type of rubber footwear in the big 
U. S. line. There’s the U. S. Walrus, the famous all¬ 
rubber overshoe—the U. S. Lace Bootee, a rubber 
workshoe to he worn over your socks for spring and 
fall—U. S. Arctics and Rubbers—all the styles and 
sizes for the whole family. Look for the “U. S. ” 
trademark before you buy—the honor mark of the 
oldest rubber organization in the world. 
United States Rubber Company 
Ask Jar 
Trade 
Mark 
U.S! Boots 
