Apple 41mm Sport Loop for Apple Watch 41/40/38mm, Abyss Blue/Moss Green version.

Features:

• Soft, breathable, and lightweight, the Sport Loop features a hook-and-loop fastener for quick and easy adjustment.
• The double-layer nylon weave has dense loops on the skin side that provide soft cushioning while allowing moisture to escape.
• This weave is made with 82% recycled yarns, some of which contain material from discarded fishing nets.