Check out these 6 Cashmere Boutique coupons including promo codes and free shipping deals for November 2018. The best offer today is a $10 Off coupon code. Has anyone asked to feel your material lately? If not, it's probably because you haven't been shopping at Cashmere Boutique. Their collection of cashmere wares is unbeatable, offering the luxurious material in everything from scarves and sweaters to robes and pajamas.