Choose from 5 Trek Light Gear coupons that include promo codes and free shipping deals for May 2017. Our top coupon is a 10% Off coupon code. Save on hammocks and outdoor gear when you use your Trek Light Gear coupon. There are few things quite as magical as swinging in a hammock. Trek Light Gear believes that you should spend more time outside and away from the stress of everyday life. Shop backpacks, tents and more for your next outdoor adventure.