Sustainable Bamboo -Rayon Sock is a renewable fibre. Bamboo, is a very fast- growing grass with little or no need for pesticides, the bamboo is crushed and then chemically processed to make Bamboo-Rayon. Bamboo-Rayon has good abrasion resistance so socks should last longer than natural fibres. Suitable for year-round wear in warmer climates and summer wear in cooler climates. Contents: 67% Bamboo-Rayon, 31% Nylon, 2% Lycra
HUM Sock Size Chart
| MENS SOCKS | Aus/UK Shoe Size | Euro Shoe Size | Foot Length |
| Men's Regular or Medium | 7-10 | 40-45 | 25-29cm |
| Men's King or Large | 10-13 | 46-51 | 30-35cm |
| LADIES SOCKS | Aus/UK Shoe Size | Euro Shoe Size | Foot Length |
| Ladies | 3-8 | 35-41 | 22-26cm |
| Ladies Large | 8-11 | 42-45 | 26-29cm |
| Extra Wide Small (Style 67X05) | 3-8 (Ladies shoe) 4.5-7 (Men's shoe) | 35-41 | 22-26cm |
| Extra Wide Regular (Style 67X07) | 8-11 (Ladies shoe) 7-10 Men's shoe) | 40-45 | 25-29cm |
| Extra Wide King (Style 67X10) | 10-13 | 46-51 | 30-35cm |
| Extra Wide Long (Wool Style 67X14, Cotton Style 57x14) | 13-16 | 50-55 | 36-39cm |
| Extra Wide & Extra Long (Style 67X16) | 14+ | 55+ | 38-45cm |
