One 3"x4" transparent piece of Tenacious Tape to help fix whatever needs fixing on the trail. It basically weighs nothing and ais a better solution for many fixes than duct tape.
 
Quickly fix tents, flys, tarps, sleeping pads, puffy coats, or ski pants with this strong, weatherproof tape. Backed by an ultra-aggressive adhesive, it won’t peel off when applied to technical fabrics including nylon and vinyl. This nylon fabric tape offers a barely noticeable solution that stays put no matter what Mother Nature dishes out. Once applied, wait 24 hours and it becomes machine washable. Whatever needs a quick fix, Tenacious Tape will handle it – allowing you to stay outside longer.
 
Peel & Stick – No sewing skills or heat required; simply remove backing and apply to surface with pressure
Washable – Fabric tape is sealed with a waterproof coating and won’t peel off during a wash or a storm (wait 24 hours after application to wash)
Durable – Ultra-strong adhesive permanently bonds to outdoor fabrics and materials including nylon, vinyl, rubber and plastic
Compatible – Make barely noticeable repairs to rips and tears
Multipurpose – Sticks to almost any surface to repair camping gear including tents, sleeping pads, sleeping bags, backpacks and more