The Cutters Half-Finger Lineman Football Gloves feature a C-TACK material palm patch and fingers for maximum grip. An air-flow vent in the palm lets your hands breathe easy. Interior thumb pockets are the perfect place to put the optional SAM Splints (included with purchase). SAM stands for Structural, Aluminum, Malleable. The SAM splint gives easy, adjustable but near complete support to injuries or injury-prone areas. Machine wash and dry. Performs in all weather conditions. College and high school approved.