An optical fiber comprising: (i) a core region comprising an outer radius r1, and 3.0≤r1≤7.0 microns and a relative refractive index Δ1max and 0.32%≤Δ1max≤0.5%; (b) a depressed index cladding region surrounding the core region comprising an outer radius r3 and a relative refractive index Δ3 less than −0.2%, and trench volume V3 wherein 45% Δ-micron2≤|V3|≤200% Δ-micron2; (c) a first outer cladding region surrounding the depressed index cladding region and comprising a relative refractive index Δ4 and an outer radius r4; and (d) a second outer cladding layer comprising 5 wt %-20 wt % titania, a relative refractive index Δ5, and a thickness TM, wherein 3 micron≤TM≤30 microns, and outer radius r5≤65 microns; the optical fiber has a mode field diameter MFD1550 and 8 microns≤MFD1550≤10.5 microns, a cutoff wavelength ≤1550 nm when bent 1 turn around a 2.5 mm radius mandrel, and a bending loss at 1550 nm when using a mandrel comprising a radius of 2.5 mm of ≤1.0 dB/turn.