back of the heel —Eleven layers of heavy 
duck and highest grade rubber make this one 
of the strongest points of the whole boot. 
y Rugged strength 
at the 4 vital points 
the anklb — 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 
The diagrams at the left will show you 
the details of the finest boot construc¬ 
tion experts have yet been able to de¬ 
vise. 75 years of bootmaking experience 
are behind it. 
Other “U. SFootwear — all built 
to give the utmost service 
You'll find every type of rubber foot¬ 
wear in the big L . S. line. There's the 
U. S. Walrus, the famous all-rubber 
overshoe—the U. S. lace Bootee, a 
rubber workshoe for spring and fall— 
U. S. Arctics and Rubbers—all styles 
and sizes for the whole family. Look 
for the “U. S." trademark—the honor 
mark of the oldest and largest rubber 
organization in the world. 
S OLE, ankle, instep, heel—it's at one 
of these 4 places boots get their 
hardest strain. 
And weakness at any one of them will 
rob you of wear you ought to get! 
The big reason for the remarkable 
strength, long wear and “stand up” 
qualitiesof “U. S.” Boots is the fact that 
their makers have built into them at 
every one of these 4 vital points the 
strongest kind of reinforcements. 
Made throughout of the finest quality 
of fabric and tough rubber, U. S. Boots 
are backed up at the “wearing points" 
by 7 to 11 extra thicknesses. And they re 
so built that all this extra wear is gained 
without losing the ease and flexibility 
you need. 
Extra heavy flange sole 
the sole — A thick, single layer of the finest, 
toughest high-grade rubber. Its flange shape 
means extra protection and wear. A rugged 
outside foxing unites the sole and the upper 
into one solid piece. 
United States Rubber Company 
THR INSTHP boot lias no lacing in front, 
like a shoe, to give as you walk, Every mile 
you go, the rubber bends and buckles 900 
times. IVe've pul a series of graduated rein¬ 
forcing layers into the instep, combining 
unusual flexibility with surprising strength. 
Trade Mark 
