Nylon strips indicate start/stop position, making curl-up tests a breeze!
Lined, lightweight mat ensures that students are doing the exercise properly for curl-ups. One side of the mat is for 3" and the other is for 4-1/2" for testing all user sizes. Special lightweight 3/8" thick closed-cell foam provides a smooth, stable surface that prevents sliding. Quickly roll up for easy storage and transport. 4'L x 2'W; 3 lb 5 oz.