There are 7 Gear Co-op coupons that include coupon codes and sales for September 2018 for you to choose from. Our top coupon for today is a 5% Off promo code. Save on climbing and outdoor gear when you use your Gear Co-op coupon. If rock climbing is your passion, you've come to the right place. Gear Co-op is your source for shoes, clothes and instruction on hiking, rock climbing and more. Get outside and play with great gear from great brands.