The material used by the collider.

If material is shared by colliders, it will duplicate the material and assign it to the collider.

	// Makes the collider act like ice.
	collider.material.dynamicFriction = 0;
	collider.material.staticFriction = 0;

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        collider.material.dynamicFriction = 0;
        collider.material.staticFriction = 0;
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		collider.material.dynamicFriction = 0
		collider.material.staticFriction = 0