[Rise]

SerfUA,

$(function(){
	var size = {}, x = '';
	$('#mytable').find('p').slice(4).each(function(i,e){
		var t = $(e).text();
		if (i%4) size[x][i%4-1] = t;
		else size[x=t] = [];
	});
	// size['XS'] содержит [84,88,42] и т.д.
});