Contraband Black Label 5120 Pro Series Lifting Gloves VENTED MESH - Mesh top is breathable and prevents heat buildup in the gloves which allows prolonged use even during the hardest workouts. COMFORTABLE INTERIOR - Glove interior is soft to provide comfort for extended use. The materials help to pull sweat from the hands and absorb in order to maintain a firm fit without slippage. AMARA LEATHER PALM W/ RUBBER GRIPS - Amara leather is a synthetic material, so no animal product, built to replicate the durability of split leather. Placed over the Amara leather is pieces of rubber meant to increase the grip on dumbbells, barbells and other metal surfaces. ADJUSTABLE SIZING - These gloves easily adjust to allow a custom fit each time you wear them. NO HASSLE WARRANTY, RETURNS, SIZING, AND OTHER INFO - There is a full purchase price refund within 30 days of your purchase if you are not happy for any reason. After 30 days, there is a 1yr full replacement warranty on these gloves for any manufacturing defect. For SIZING, check the product images on this page for a SIZE CHART.