Yak Wool - the Holy Grail? What is it about Yak Wool? Santosa's best selling products are the Himalayan 'Yak Wool' Wraps and, in their larger size, the Himalayan 'Yak Wool' Blankets. Both remain our biggest sellers from when we first began trading in 2010. Light weight, versatile and extremely warm they come in a range of fantastic vibrant colours. Why are these so popular and are they made from genuine Yak Wool - the Himalayan Holy Grail of textiles? Walking through Kathmandu and Pokhara you pass mountain upon mountain of these vibrantly coloured blankets and wraps piled up outside the ..