Under Armour Socks Size Chart

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Under Armour Youth Sock Sizing Information

Sock Size	US Youth	Euro	UK	Metric (in)
0 - 6M	0K - 2K	up to 17.5	up to 1.5	up to 3 1/8
6M - 12M	2K - 4K	17.5 - 19.5	1.5 - 3.5	3 1/8 - 4
12M - 24M	4K - 7K	19.5 - 23.5	3.5 - 6.5	4 - 5 1/8
2 - 4T	7K - 10.5K	23.5 - 27.5	6.5 - 10	5 1/8 - 6 5/8
4 - 6 or XSmall	10.5K - 13K	27.5 - 31	10 - 12.5	6 5/8 - 7 5/8
Small	13.5 K - 4.5	31.5 - 36.5	13 - 4	7 5/8 - 9 1/4
Medium	4.5 - 7	36.5 - 42	4 - 7.5	9 1/4 - 10 3/8

Under Armour Adult Sock Sizing Information

Sock Size	US Women	US Men	Euro	UK	Metric (in)
Small	4 - 6	-	31.5 - 36.5	13 - 4	7 5/8 - 9 1/4
Medium	6 - 10	7 - 8.5	36.5 - 42	4 - 7.5	9 1/4 - 10 3/8
Large	10 - 14	8.5 - 13	42 - 47.5	7.5 - 12	10 3/8 - 12 1/8
XLarge	-	13 - 16	47.5 - 50.5	12 - 15	12 1/8 - 13 1/4
One Size Fits Most	5.5 - 12	-	36 - 44.5	3.5 - 9.5	8 7/8 - 11 1/8