Abstract: A martial arts kimono pants (200, 300, 400, 500) comprising a pair of leg portions (230, 310, 510) and a waistband portion (210, 320, 520) for extending about the waist of a user, wherein the leg portions (230, 310, 510) and waistband portion (210, 320, 520) are formed from a substantially inextensible fabric; at least one discontinuity (220, 330, 430, 551) extending through at least the waistband portion (210, 320, 520), wherein the discontinuity (220, 330, 430, 551) provides a relief for tightening and engagement of the waistband portion (210, 320, 520) against waist of the user and provides an opening in the waistband portion (210, 320, 520) moveable from open state towards a closed state; an elasticized waistband (340) circumferentially affixed to the waistband portion (210, 320, 520); wherein the elasticized waistband (340) urges the waistband portion (210, 320, 520) against the waist of the user, and upon the elasticized waistband (340) urging the waistband portion (210, 320, 520) against the waist of t

Abstract: A martial arts kimono component of a kimono (800) having a jacket (810) and trouser (820) and for the wearing thereof of a user (801), wherein said kimono component is formed for compliance with one or more pre-determined articulations of the limbs of a user (801).

Abstract: A sports board has a hard top shell formed with a top concave shell cavity. The hard top shell has an inside surface. The hard top shell is pervious to light. A top layer of adhesive adheres to the hard top shell. A rigid foam core is formed with a top profile and a bottom profile. The top profile matches and receives the top hard shell. The top layer of adhesive adheres to a top surface of the foam core. A bottom layer of adhesive adheres to a bottom surface of the rigid foam core; and a hard bottom shell is formed with a bottom concave shell cavity. The bottom concave shell cavity is formed to fit to the bottom profile. The hard bottom shell is pervious to light.

Abstract: A skate park has a hard top shell formed with skate features drawn down from a top surface of the hardtop shell. The hard top shell has a thickness between 0.2 mm and 1 mm. The hard top shell has a hard top shell inside surface. The hard top shell is pervious to light. A sidewall is formed on a side of the hardtop shell. A paint layer is disposed on the hard top shell inside surface. The skate park may have at least one half pipe. A foil layer may be laminated to the underside of the hardtop shell. The skate park preferably includes at least one bowl recess, but may have two bowl recesses joined at a connecting ridge.

Abstract: A toy vehicle has a hard top shell formed with a top concave shell cavity. The hard top shell has an inside surface. The hard top shell is pervious to light. A top layer of adhesive adheres to the hard top shell. A flexible chassis core is formed with a top profile and a bottom profile. The top profile matches and receives the top hard shell. The top layer of adhesive adheres to a top surface of the chassis core. A bottom layer of adhesive adheres to a bottom surface of the flexible chassis core; and a hard bottom shell is formed with a bottom concave shell cavity. The bottom concave shell cavity is formed to fit to the bottom profile. The hard bottom shell is pervious to light.

Abstract: A skate park has a hard top shell formed with skate features drawn down from a top surface of the hardtop shell. The hard top shell has a thickness between 0.2 mm and 1 mm. The hard top shell has a hard top shell inside surface. The hard top shell is pervious to light. A sidewall is formed on a side of the hardtop shell. A paint layer is disposed on the hard top shell inside surface. The skate park may have at least one half pipe. A foil layer may be laminated to the underside of the hardtop shell. The skate park preferably includes at least one bowl recess, but may have two bowl recesses joined at a connecting ridge.

Abstract: A sports board has a hard top shell formed with a top concave shell cavity. The hard top shell has an inside surface. The hard top shell is pervious to light. A top layer of adhesive adheres to the hard top shell. A rigid foam core is formed with a top profile and a bottom profile. The top profile matches and receives the top hard shell. The top layer of adhesive adheres to a top surface of the foam core. A bottom layer of adhesive adheres to a bottom surface of the rigid foam core; and a hard bottom shell is formed with a bottom concave shell cavity. The bottom concave shell cavity is formed to fit to the bottom profile. The hard bottom shell is pervious to light.

Abstract: A skateboard has a hard top skin formed with a top concave skin cavity. The hard top skin has an inside surface. The hard top skin is pervious to light. A top layer of adhesive adheres to the hard top skin. A flexible plywood core is formed with a top profile and a bottom profile. The top profile matches and receives the top hard skin. The top layer of adhesive adheres to a top surface of the plywood core. A bottom layer of adhesive adheres to a bottom surface of the flexible plywood core; and a hard bottom skin is formed with a bottom concave skin cavity. The bottom concave skin cavity is formed to fit to the bottom profile. The hard bottom skin is pervious to light.