DO GOOD PROJECTOur way of offering a more environmentally friendly product and starting the conversation around sustainability. We wan't to be transparent about the things we are doing both good and bad and build a community which want to help make a difference. To learn more please visit the Do Good Project page on our website.WHY BAMBOOA natural and sustainable fibre made from the stem of the plant. Loved for it's softness and durability.- Typically grown without the use of pesticides and fertilisers- Requires 30% less water than cotton- Naturally anti-bacterial and hypo-allergenicBetter for the planet, better for you.GOOD BITS75% Bamboo, 21% Nylon, 4% LycraStretch Cuff OpeningDesigned to Sit Mid CalfGuaranteed to Hold Elasticity Size GuideRecommended Men's Sizes 7-12.