waffle sweater is a simple half brioche ribbing sweater with little cables. In this pattern several stitches are used to make the body lighter. The instruction is simple, working top-down, in the round. You can make this sweater with alpaca or wool for winter and with cotton or linen for summer.

Size S(M/L/XL/2XL)
Finished measurement(Chest): 96(100/104/108/112)cm
Yarn used
7(7/8/8/8) skein of Garnstudio Drops Alpaca (166m/50g)
about 1100(1140/1180/1220/1260)m
Needle size: 2.75mm of circular needle

Gauge: 22sts × 26rows = 10cm in half brioche stitches
Notions: Tapestry needle, Cable needle(optional)

This pattern is tested by wonderful test knitters here;
biloulou, glitteranddoom, Toola and YowlYY
The testing thread is here in my group.