I did a fairly well known stage race recently, fitted luvhandles the night before day 1 and had no issues with grip (in very sweaty conditions) and no aches or pains in my hands. The previous time i did this race, we had the ESI's and cannot say the same - my partner's hands were numb for more than a week afterwards Unless they disappear from the planet, I will never use another brand - luv the handles!! #getagrip