Made with breathable material to increase air flow and prevent overheating, this ezy dog summit backpack v2 has been built for all weather conditions. Waterproof zippers are used throughout and every backpack is fitted with a reflective trim for night time walking.incorporated ezydog chest plate harness for maximum comfort and controlwide flip top opening paniersbreathable material for increased air flowbuilt in paddled handle for quick control or to provide assistance when going over obstaclesrust proof stainless steel d ring for lead attachment in back and front of packripstop material with waterproof zippersreflective trim for extra visibility and night time safetyadditional girth strap for larger dogs and extra security when making descents