Table 1. Part 1: Sock Groups and Stack Quotients.

Sock Name and Model	Thick or Thin	P, Ply of one multi-ply sock	Socks in reduced-ply stack (stack of total ply P)	Stack Quotient
				$$\frac{{\mathit{\text{Th}}}_{\mathit{\text{reduced}}-\mathit{\text{ply}}\mathit{\text{stack}}\mathit{\text{of}}\mathit{\text{total}}\mathit{\text{ply}}P}}{{\mathit{\text{Th}}}_{\mathit{\text{one}}\mathit{\text{multi}}-\mathit{\text{ply}}\mathit{\text{sock}}\mathit{\text{of}}\mathit{\text{ply}}P}}$$
				Donned (sitting)	Standing (equal w.b.)	Walking (stance phase)
				A-Plus/KL	Thin	4	2*2-Ply	1.4	1.3	1.3
Cotton/CS	Thick	3	3*1-Ply	1.0	0.8	0.8
Cotton/CS	Thick	5	2*1-Ply + 1*3-Ply	1.5	1.3	1.3
Soft Sock/SP	Thin	3	3*1-Ply	1.7	1.3	1.3
Soft Sock/SP	Thin	5	2*1-Ply + 1*3-Ply	1.4	1.1	1.1
Soft Sock/SP	Thin	6	2*3-Ply	1.3	1.2	1.1
Soft Sock/SX	Thin	3	3*1-Ply	1.5	1.2	1.2
Soft Sock/SX	Thin	5	2*1-Ply + 1*3-Ply	1.6	1.3	1.2
Super Sock/K1	Thick	6	2*3-Ply	1.5	1.5	1.5
X-Wool/WX	Thin	6	2*3-Ply	1.4	1.1	1.1
Means (s.d.)				1.4 (0.2)	1.3 (0.2)	1.2 (0.2)