Aluminum back, front and side D-rings, web-locking quick-connect chest and leg straps, comfort padding. From 3M, the ultimate in fall protection, comes the most comfortable, lightest wearing, truly innovative safety harness ever created: the ExoFit STRATA. Featuring breathable mesh back that delivers advanced breathability, the personal SRL adapter simplifies connecting and disconnecting your personal SRL, like the Nano Lok and Nano Lok edge. If your safety harness is weighting you down, lighten up with the ExoFit STRATA.