The ultra-thin, lightweight Trail Loop is made from a nylon weave creating a soft strap with increased elasticity for a comfortable fit. The strap is infinitely adjustable with a convenient pull tab for quick adjustments on the go. This strap is carbon neutral. The Trail Loop contains 30% recycled content by weight, 100% of manufacturing electricity is covered by clean energy. | Apple Watch 49mm Trail Loop - Black/Charcoal - Medium/Large 145-220mm