SENSO Halo Sandal in Metallic Silver. - size 39 (also in 35, 36, 37, 38, 40, 41) SENSO Halo Sandal in Metallic Silver. - size 39 (also in 35, 36, 37, 38, 40, 41) Metallic leather blend upper with manmade sole. Slip-on styling. Leather footbed. Square toe. Stiletto heel. Approx 90mm/ 3.5 inch heel. SENS-WZ222. HALO. This Sydney-based, family-run company offers a range of fashion-forward footwear, specifically targeting wedges. For anyone seeking shoes that make a statement, look no further than SENSO DIFFUSION and their often bright, super tall, and always edgy footwear.