Nke a bụ igbe nchekwa ndekọ ọla ọcha mara mma nke nwere elu nke ejiri akwa ABS ọlaọcha mee, ọla ọcha alumini dị elu na ngwa ọla ọcha. Ọ nwere usoro siri ike na ikike ibu ibu siri ike, ma nwee 4mm EVA lining n'ime, nke nwere ike ichekwa ndekọ ahụ nke ọma.
Anyị bụ ụlọ ọrụ mmepụta ihe nke nwere ahụmahụ afọ 15, ọkachamara na mmepụta nke ngwaahịa ahaziri iche dị ka akpa etemeete, ihe ịchọ mma, ikpe aluminom, ikpe ụgbọ elu, wdg.