Discover the best of both worlds with Rototo's Seamless Hand Warmer in Yellow. Made in the historic sock regions of Nara Prefecture, Japan, these 2-way hand warmers are crafted from the ultra-rare Merino Optimo wool blended with 30% cashmere for that premium touch. Soft on your skin and gentle to the touch, they're made using a WHOLEGARMENT knitting machine to provide a seamless experience. One side features a thumb hole while the other is a cuff, giving you the freedom to wear them how you wish!