Louis Garneau Men's Biogel RX Gloves Velcro-adjustable ergonomic cuff: Custom fit without pressure Perforated palm and Biogel padding: More breathable, reduces pressure on the ulnar and median nerves, absorbs vibrations and reduces hand fatigue, provides better flexion Microfiber thumb: Moisture absorption Patented Ergo Air concept: Evacuates palm moisture and contributes to stabilize hand temperature