Environmentally friendly materials: The shoulder pad uses a three layer construction. Outer 500D nylon fabric is durable and wear resistant. The middle layer is EPE pearl cotton with waterproof and moisture-proof characteristics and strong toughness. The inner layer features 3D breathable mesh padding to provide comfort, better grip, shock absorption and decompression. Soft and comfortable padding: Three layer design delivers softness, good recovery, breathability and shock absorption, helping reduce fatigue during long periods of weight bearing outdoors. Dimensions and fit: Outer width 3.23 inches; inner width 2.56 inches; strap width compatible up to 2.5 inches. Total length 8.86 inches; thickness 0.4 inches. Weight 0.22 lb. Lightweight design emphasizes pressure relief. Compatibility: Suitable for a wide range of shoulder straps and gear such as tactical vests, backpacks, fishing bags, camera bags, guitar slings, and car seat straps. Applications: Ideal for outdoor activities including airsoft, shooting, hiking and climbing. Use scenarios: - Attach to tactical vest or backpack shoulder straps during long airsoft or shooting sessions to reduce fatigue. - Cushion camera bag straps or a guitar sling for extended shoots or travel to distribute weight more evenly. - Add to backpack straps during hiking or climbing to improve comfort with heavy loads.