Sierra Matrix Grey Bucket Climbing Shoes The Kouba Alu nuts are

The Kouba Alu nuts are durable alloy stoppers and come in a set of 9 different sizes

Metal hook closure

The click-up mode (Hand assisted braking) allows:

running or other sports

Sierra Matrix Grey Bucket Climbing Shoes The Kouba Alu nuts areA large bouldering bucket handmade in Barcelona from local recycled fabrics. Lined with a recycled polyester interior. Features a pocket on the back for storing your wallet, keys or phone while climbing and several compartments on the front to put climbing brushes and tape. Sierra is a Spanish climbing brand focussed on conscious climbing; reducing waste and minimising the need for raw materials to create a circular economy. Key features: Cotton anti