referring to fig1 and 2 , a glove 1 according to this invention comprises a front ply 2 defining a ball catching area a , a back ply 3 , and a lining ply 4 contacted by a front or palm side of a player &# 39 ; s hand . the glove 1 further comprises thumb and finger pieces 5 - 9 having finger inlet portions 5 &# 39 ;- 9 &# 39 ;, respectively . finger pieces 6 , 7 and 8 correspond respectively to the first , second and third fingers wherein the first finger denotes a finger adjacent to the thumb . there are finger and thumb straps 10 and 11 formed of a strip provided on positions of the lining ply 4 opposed to the ball catching are a and outside and spaced from the finger inlet portions 5 &# 39 ;- 9 &# 39 ;. the finger strap 10 which receives the four fingers is passed through the lining ply 4 like a sewing thread . one end of the strap 10 is stitched to the lining ply 4 or the front ply 2 and the other end extends outwardly of the back ply 3 , so that the finger inlets , or loops , are adjustable with respect to their length . the other strap 11 is used only for the thumb , and like - wise forms a loop . it has one end thereof stitched to the lining ply 4 and the other end extending outwardly of the back ply 3 to be capable of tightening adjustment . referring to fig3 the embodiment shown therein includes one continuous thumb and finger strap 10 &# 39 ; as distinct from the two separate straps 10 and 11 in the foregoing embodiment . the strap 10 &# 39 ; is adjustable with respect to its length by means of knots at the respective ends thereof . this embodiment using the single strap has the advantage of simple construction . referring to fig4 the embodiment shown therein includes a thumb strap 12 , a little finger strap 13 and a strap 14 for the first to third fingers . the straps 12 and 13 comprise known constructions as they are . the strap 14 is formed of a flexible strip which dispenses with tightening adjustment of the strap per se for receiving the three intermediate fingers . the straps in this and other embodiments may be attached to the lining ply 4 or the front ply 2 by other means than stitching . for example , the straps may be bonded to the ply 4 or 2 . the strap 14 may comprise a slightly elastic material . then a large - handed person can use the glove just by passing his fingers over the strap 14 ; it is not necessary to remove the strap 14 . referring to fig5 and 6 , the embodiment shown therein includes a finger strap 15 for four fingers and a separate thumb strap 18 . the finger strap 15 has a first - finger end fixed in position by stitching and the other end knotted so that the strap 15 is adjustable with respect to its length . this embodiment differs from the preceding embodiments in slits 16 defined in the lining ply 4 . the slits 16 in this embodiment have greater longitudinal dimensions than a width of the strap 15 longitudinally of the fingers . this arrangement , in combination with the length adjustment by means of the knot , permits the strap 15 to be adjustable back and forth and right and left . this embodiment further includes a patch 17 attached to an inside surface of the lining ply 4 so as to cover the slits 16 . the patch 17 serves to prevent leakage of grease placed between the lining ply 4 and the front ply 2 and to prevent the slits 16 from becoming large .