具有一定的危险性，lightweight (135 lbs.)轻量级(61公斤级)确保安全。light heavyweight (175 lbs.)轻重量级(7
1、拳击分重量级是为了体现技术，确保安全。力量在格斗是非常重要的，体重相差太多，彼此间进行比赛，力量速度都不一样，具有一定的危险性，为了确保运动员的安全，分级别比赛是很有必要的。
2、职业拳击比赛的级别 (17个级别) :
heavyweight (over 190 lbs.)重量级(86公斤级以上)；
cruiserweight (190 lbs.)次重量级(86公斤级)；
light heavyweight (175 lbs.)轻重量级(79公斤级)；
super middleweight (168 lbs.)超中量级(76公斤级)；middleweight (160 lbs.)；中量级(73公斤级)；
junior middleweight/super welterweight (154 lbs.)初中量级/超次中量级 (70公斤级)；
welterweight (147 lbs.)次中量级 (67公斤级)；
junior welterweight/super lightweight (140 lbs.)初次中量级/超轻量级 (64公斤级)。
lightweight (135 lbs.)轻量级(61公斤级)
junior lightweight/super featherweight (130 lbs.)初轻量级/超次轻量级 (59公斤级)
featherweight (126 lbs.)次轻量级 (57公斤级)
junior featherweight/super bantamweight (122 lbs.)超最轻量级(55公斤级)
bantamweight (118 lbs.)最轻量级(53公斤级)
junior bantamweight/super flyweight (115 lbs.)超次最轻量级(52公斤级)
flyweight (112 lbs.)次最轻量级(50公斤级)
