broadly indicated at 11 and a seat climber broadly indicated at 12 the foot climber 11 comprises a generally rectangular base frame 13 with tubular frame members 14 and 15 at the sides welded to a tubular frame member 16 at the front and to a tubular frame member 17 at the rear a plurality of tubular reinforcing bars 20 extend transversely between the side frame members 14 and 15 the legs 21 of a generally v shaped gripper 22 are slidably and removably received in angularly disposed anchor sleeves 23 which are the forward end portions of a generally u shaped support frame 24 the legs 21 may be adjusted to desired lengths by positioning of bolts 29 in selected bores in the anchor sleeves 23 in registry with bores in the legs 21 the support frame 24 is welded to the side frame members 14 and 15 in surrounding relation to the rear portion of the base frame 13 and in rearwardly spaced relation to the rear frame member 17 of the base frame 13 a pair of upright supports 27 extend upwardly from the sides 14 and 15 of the base frame 13 to the angularly disposed forward end portions 23 of the support frame 24 a mat 25 of expanded metal overlies and is fixed to the base frame 13 and rear portion of the support frame 24 an elastic strap 26 overlies the mat 25 and one of the reinforcing bars 20 to accommodate a user 39 s feet when climbing.