The Sentinel merges stretch with the flexibility of D3O in the knuckles and palm. Back of Hand: D3O flexible shock absorption, moisture wicking 4-way stretch air mesh, neoprene with sonic welded knuckle deflectors. Palm: Clarino synthetic suede. Palm Padding: D3O flexible palm shock absorption. Closure: Adjustable hook and loop. Touch screen compatible. One piece seamless palm construction. Microfleece thumb panels. Silicone gripper fingertips.