Hello, I have for sale a brand new Apple Watch Ultra Trail Loop S/M Size Color: Blue/Gray The ultrathin, lightweight Trail Loop is made from a nylon weave creating a soft band with increased elasticity for a comfortable fit. The band is infinitely adjustable with a convenient pull tab for quick adjustments on the go. This band is carbon neutral. The Trail Loop contains 32% recycled content by weight, 100% of manufacturing electricity is covered by clean energy, and 50% or more of all carbon neutral Apple Watch products are shipped without airplanes.* Medium/Large Bands fits 145-220mm wrists Compatible with Apple Watch Models 44mm, 45mm, 46mm and 49mm