COMPATIBILITY: Designed for Apple Watch Series Ultra 1-3: 49mm, Series 10,11: 46mm, Series 7-9: 45mm, Series 4-6, SE-SE 3: 44mm, Series 1-3: 42mm. Based on 49mm watch size, the minimum wrist size is 150mm and the maximum wrist size is 210mm. PREMIUM HARDWARE: Chamfered recyclable custom stainless steel hardware built to stand the test of time and the elements. RECYCLED MATERIALS: 100% RPET high-strength nylon is breathable and rugged. The UAG woven label is made from recycled material. The hardware is recyclable custom stainless steel hardware. DESIGN: Nato-inspired design now in a wider strap width providing a comfortable fit and feel, a two-prong pin closure, and multiple pass-throughs for added security. Easily adjust to the size of your wrist and you won’t worry about your watch slipping or moving during the day. PRECISION FIT LUGS: Specifically designed for a precise fit. Our Nato Eco strap has a Nato-inspired design that embraces style and sustainability. The latest design update boasts a wider strap still with multiple reinforced pass-throughs, providing exceptional strength and durability. Crafted from 100% recycled PET (RPET) high-strength nylon straps, it combines eco-friendliness with resilience. Additionally, a thoughtfully designed recycled woven label and the custom chamfered hardware are made from recyclable stainless steel, ensuring that every element aligns with our environmental commitment.